# Builder

> A bundle builder where shoppers pick add on products and watch the total update live. Use it on product pages to grow order value before checkout.

A shadcn/ui block from the [@shadcn-ui-blocks](https://www.shadcn-ui-blocks.com/?utm_source=shadcn.exchange) registry, listed on [shadcn.exchange](https://shadcn.exchange/r/shadcn-ui-blocks/ecommerce-ecommerce-bundle-upsells-builder).

- Page, with a live preview: https://shadcn.exchange/r/shadcn-ui-blocks/ecommerce-ecommerce-bundle-upsells-builder
- Screenshot: https://abzjhwgwpdpz7ua5.public.blob.vercel-storage.com/shots/shadcn-ui-blocks/ecommerce-ecommerce-bundle-upsells-builder-light-2b3089bbbc970280.png
- Registry item: https://www.shadcn-ui-blocks.com/r/ecommerce-ecommerce-bundle-upsells-builder.json
- Listed: 2026-10-13, source last changed 2026-10-13

## Install

```bash
npx shadcn@latest add https://shadcn.exchange/r/shadcn-ui-blocks/ecommerce-ecommerce-bundle-upsells-builder.json
```

Run it in a project that has shadcn/ui set up. It adds the files below and installs what they depend on.

## Dependencies

- npm packages: `class-variance-authority`, `lucide-react`, `radix-ui`

## Files

### `components/blocks/ecommerce/ecommerce-bundle-upsells/builder.tsx`

```tsx
import { useState } from 'react';
import { ShoppingCart } from 'lucide-react';

import { cn } from '@/lib/utils';
import {
  Card,
  CardContent,
  CardDescription,
  CardHeader,
  CardTitle,
} from '@/components/ui/card';
import { Switch } from '@/components/ui/switch';
import { Button } from '@/components/ui/button';
import { Badge } from '@/components/ui/badge';

interface AddOnItem {
  id: string;
  name: string;
  description: string;
  price: number;
  image: string;
}

interface UpsellBundleBuilderProps {
  product: {
    id: string;
    name: string;
    description: string;
    price: number;
    image: string;
  };
  addOns: AddOnItem[];
}

export default function UpsellBundleBuilder({
  product = {
    id: 'main-product',
    name: 'Premium Wireless Headphones',
    description:
      'Studio-quality sound with active noise cancellation and 30-hour battery life.',
    price: 199.99,
    image: '/placeholder.svg?height=200&width=200',
  },
  addOns = [
    {
      id: 'addon-1',
      name: 'Protective Case',
      description:
        'Durable hardshell case with water-resistant exterior and custom fit.',
      price: 29.99,
      image: '/placeholder.svg?height=100&width=100',
    },
    {
      id: 'addon-2',
      name: 'Extended Warranty',
      description:
        'Additional 2-year coverage for accidental damage and technical support.',
      price: 39.99,
      image: '/placeholder.svg?height=100&width=100',
    },
    {
      id: 'addon-3',
      name: 'Premium Audio Cable',
      description:
        'Gold-plated 3.5mm audio cable for lossless wired listening experience.',
      price: 19.99,
      image: '/placeholder.svg?height=100&width=100',
    },
    {
      id: 'addon-4',
      name: 'Wireless Charging Pad',
      description:
        'Fast-charging Qi wireless charging pad compatible with your headphones.',
      price: 34.99,
      image: '/placeholder.svg?height=100&width=100',
    },
  ],
}: UpsellBundleBuilderProps) {
  const [selectedAddOns, setSelectedAddOns] = useState<Record<string, boolean>>(
    {}
  );

  const handleToggleAddOn = (id: string) => {
    setSelectedAddOns((prev) => ({
      ...prev,
      [id]: !prev[id],
    }));
  };

  const calculateTotal = () => {
    const addOnsTotal = addOns.reduce((sum, addon) => {
      return sum + (selectedAddOns[addon.id] ? addon.price : 0);
    }, 0);

    return product.price + addOnsTotal;
  };

  const selectedCount = Object.values(selectedAddOns).filter(Boolean).length;

  return (
    <div className="mx-auto w-full max-w-3xl px-4 py-8 md:py-12">
      {/* Main Product */}
      <Card className="mb-6 border-2">
        <CardHeader className="pb-3">
          <div className="flex flex-col items-start gap-4 md:flex-row">
            <div className="bg-muted relative aspect-square w-full overflow-hidden rounded-md md:w-1/3">
              <img
                src={product.image || '/placeholder.svg'}
                alt={product.name}
                className="object-cover"
              />
            </div>
            <div className="flex-1">
              <Badge variant="secondary" className="mb-2">
                Base Product
              </Badge>
              <CardTitle className="text-xl md:text-2xl">
                {product.name}
              </CardTitle>
              <CardDescription className="mt-2 text-sm md:text-base">
                {product.description}
              </CardDescription>
            </div>
            <div className="text-xl font-bold md:text-2xl">
              ${product.price.toFixed(2)}
            </div>
          </div>
        </CardHeader>
      </Card>

      {/* Add-ons Section */}
      <div className="mb-6">
        <div className="mb-4 flex items-center justify-between">
          <h3 className="text-lg font-medium">Customize Your Bundle</h3>
          <span className="text-muted-foreground text-sm">
            {selectedCount} add-on{selectedCount !== 1 ? 's' : ''} selected
          </span>
        </div>

        <div className="space-y-4">
          {addOns.map((addon) => (
            <Card
              key={addon.id}
              className={cn(
                'hover:border-primary/50 border transition-all',
                selectedAddOns[addon.id] ? 'border-primary/50 bg-primary/5' : ''
              )}
            >
              <CardContent className="p-4">
                <div className="flex items-center gap-4">
                  <div className="bg-muted relative h-16 w-16 flex-shrink-0 overflow-hidden rounded-md">
                    <img
                      src={addon.image || '/placeholder.svg'}
                      alt={addon.name}
                      className="object-cover"
                    />
                  </div>

                  <div className="min-w-0 flex-1">
                    <h4 className="truncate font-medium">{addon.name}</h4>
                    <p className="text-muted-foreground line-clamp-2 text-sm">
                      {addon.description}
                    </p>
                  </div>

                  <div className="flex flex-col items-end gap-2">
                    <span className="font-medium">
                      ${addon.price.toFixed(2)}
                    </span>
                    <Switch
                      checked={selectedAddOns[addon.id] || false}
                      onCheckedChange={() => handleToggleAddOn(addon.id)}
                      aria-label={`Add ${addon.name} to bundle`}
                    />
                  </div>
                </div>
              </CardContent>
            </Card>
          ))}
        </div>
      </div>

      {/* Summary and CTA */}
      <Card className="sticky bottom-0 border-t shadow-lg">
        <CardContent className="p-4">
          <div className="flex flex-col items-center justify-between gap-4 md:flex-row">
            <div>
              <p className="text-muted-foreground text-sm">Bundle Total</p>
              <p className="text-2xl font-bold">
                ${calculateTotal().toFixed(2)}
              </p>
            </div>

            <div className="w-full md:w-auto">
              <Button size="lg" className="w-full md:w-auto">
                <ShoppingCart className="mr-2 h-4 w-4" />
                Add Bundle to Cart
              </Button>
            </div>
          </div>
        </CardContent>
      </Card>
    </div>
  );
}
```

### `components/ui/card.tsx`

```tsx
import * as React from "react"

import { cn } from "@/lib/utils"

function Card({
  className,
  size = "default",
  ...props
}: React.ComponentProps<"div"> & { size?: "default" | "sm" }) {
  return (
    <div
      data-slot="card"
      data-size={size}
      className={cn(
        "group/card flex flex-col gap-6 overflow-hidden rounded-xl bg-card py-6 text-sm text-card-foreground shadow-xs ring-1 ring-foreground/10 has-[>img:first-child]:pt-0 data-[size=sm]:gap-4 data-[size=sm]:py-4 *:[img:first-child]:rounded-t-xl *:[img:last-child]:rounded-b-xl",
        className
      )}
      {...props}
    />
  )
}

function CardHeader({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="card-header"
      className={cn(
        "group/card-header @container/card-header grid auto-rows-min items-start gap-1 rounded-t-xl px-6 group-data-[size=sm]/card:px-4 has-data-[slot=card-action]:grid-cols-[1fr_auto] has-data-[slot=card-description]:grid-rows-[auto_auto] [.border-b]:pb-6 group-data-[size=sm]/card:[.border-b]:pb-4",
        className
      )}
      {...props}
    />
  )
}

function CardTitle({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="card-title"
      className={cn(
        "font-heading text-base leading-normal font-medium group-data-[size=sm]/card:text-sm",
        className
      )}
      {...props}
    />
  )
}

function CardDescription({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="card-description"
      className={cn("text-sm text-muted-foreground", className)}
      {...props}
    />
  )
}

function CardAction({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="card-action"
      className={cn(
        "col-start-2 row-span-2 row-start-1 self-start justify-self-end",
        className
      )}
      {...props}
    />
  )
}

function CardContent({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="card-content"
      className={cn("px-6 group-data-[size=sm]/card:px-4", className)}
      {...props}
    />
  )
}

function CardFooter({ className, ...props }: React.ComponentProps<"div">) {
  return (
    <div
      data-slot="card-footer"
      className={cn(
        "flex items-center rounded-b-xl px-6 group-data-[size=sm]/card:px-4 [.border-t]:pt-6 group-data-[size=sm]/card:[.border-t]:pt-4",
        className
      )}
      {...props}
    />
  )
}

export {
  Card,
  CardHeader,
  CardFooter,
  CardTitle,
  CardAction,
  CardDescription,
  CardContent,
}
```

### `components/ui/switch.tsx`

```tsx
"use client"

import * as React from "react"
import { Switch as SwitchPrimitive } from "radix-ui"

import { cn } from "@/lib/utils"

function Switch({
  className,
  size = "default",
  ...props
}: React.ComponentProps<typeof SwitchPrimitive.Root> & {
  size?: "sm" | "default"
}) {
  return (
    <SwitchPrimitive.Root
      data-slot="switch"
      data-size={size}
      className={cn(
        "peer group/switch relative inline-flex shrink-0 items-center rounded-full border border-transparent shadow-xs transition-all outline-none after:absolute after:-inset-x-3 after:-inset-y-2 focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50 aria-invalid:border-destructive aria-invalid:ring-3 aria-invalid:ring-destructive/20 data-[size=default]:h-[18.4px] data-[size=default]:w-[32px] data-[size=sm]:h-[14px] data-[size=sm]:w-[24px] dark:aria-invalid:border-destructive/50 dark:aria-invalid:ring-destructive/40 data-checked:bg-primary data-unchecked:bg-input dark:data-unchecked:bg-input/80 data-disabled:cursor-not-allowed data-disabled:opacity-50",
        className
      )}
      {...props}
    >
      <SwitchPrimitive.Thumb
        data-slot="switch-thumb"
        className="pointer-events-none block rounded-full bg-background ring-0 transition-transform group-data-[size=default]/switch:size-4 group-data-[size=sm]/switch:size-3 group-data-[size=default]/switch:data-checked:translate-x-[calc(100%-2px)] group-data-[size=sm]/switch:data-checked:translate-x-[calc(100%-2px)] dark:data-checked:bg-primary-foreground group-data-[size=default]/switch:data-unchecked:translate-x-0 group-data-[size=sm]/switch:data-unchecked:translate-x-0 dark:data-unchecked:bg-foreground"
      />
    </SwitchPrimitive.Root>
  )
}

export { Switch }
```

### `components/ui/button.tsx`

```tsx
import * as React from "react"
import { cva, type VariantProps } from "class-variance-authority"
import { Slot } from "radix-ui"

import { cn } from "@/lib/utils"

const buttonVariants = cva(
  "group/button inline-flex shrink-0 items-center justify-center rounded-md border border-transparent bg-clip-padding text-sm font-medium whitespace-nowrap transition-all outline-none select-none focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50 active:not-aria-[haspopup]:translate-y-px disabled:pointer-events-none disabled:opacity-50 aria-invalid:border-destructive aria-invalid:ring-3 aria-invalid:ring-destructive/20 dark:aria-invalid:border-destructive/50 dark:aria-invalid:ring-destructive/40 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
  {
    variants: {
      variant: {
        default: "bg-primary text-primary-foreground hover:bg-primary/80",
        outline:
          "border-border bg-background shadow-xs hover:bg-muted hover:text-foreground aria-expanded:bg-muted aria-expanded:text-foreground dark:border-input dark:bg-input/30 dark:hover:bg-input/50",
        secondary:
          "bg-secondary text-secondary-foreground hover:bg-secondary/80 aria-expanded:bg-secondary aria-expanded:text-secondary-foreground",
        ghost:
          "hover:bg-muted hover:text-foreground aria-expanded:bg-muted aria-expanded:text-foreground dark:hover:bg-muted/50",
        destructive:
          "bg-destructive/10 text-destructive hover:bg-destructive/20 focus-visible:border-destructive/40 focus-visible:ring-destructive/20 dark:bg-destructive/20 dark:hover:bg-destructive/30 dark:focus-visible:ring-destructive/40",
        link: "text-primary underline-offset-4 hover:underline",
      },
      size: {
        default:
          "h-9 gap-1.5 px-2.5 in-data-[slot=button-group]:rounded-md has-data-[icon=inline-end]:pr-2 has-data-[icon=inline-start]:pl-2",
        xs: "h-6 gap-1 rounded-[min(var(--radius-md),8px)] px-2 text-xs in-data-[slot=button-group]:rounded-md has-data-[icon=inline-end]:pr-1.5 has-data-[icon=inline-start]:pl-1.5 [&_svg:not([class*='size-'])]:size-3",
        sm: "h-8 gap-1 rounded-[min(var(--radius-md),10px)] px-2.5 in-data-[slot=button-group]:rounded-md has-data-[icon=inline-end]:pr-1.5 has-data-[icon=inline-start]:pl-1.5",
        lg: "h-10 gap-1.5 px-2.5 has-data-[icon=inline-end]:pr-2 has-data-[icon=inline-start]:pl-2",
        icon: "size-9",
        "icon-xs":
          "size-6 rounded-[min(var(--radius-md),8px)] in-data-[slot=button-group]:rounded-md [&_svg:not([class*='size-'])]:size-3",
        "icon-sm":
          "size-8 rounded-[min(var(--radius-md),10px)] in-data-[slot=button-group]:rounded-md",
        "icon-lg": "size-10",
      },
    },
    defaultVariants: {
      variant: "default",
      size: "default",
    },
  }
)

function Button({
  className,
  variant = "default",
  size = "default",
  asChild = false,
  ...props
}: React.ComponentProps<"button"> &
  VariantProps<typeof buttonVariants> & {
    asChild?: boolean
  }) {
  const Comp = asChild ? Slot.Root : "button"

  return (
    <Comp
      data-slot="button"
      data-variant={variant}
      data-size={size}
      className={cn(buttonVariants({ variant, size, className }))}
      {...props}
    />
  )
}

export { Button, buttonVariants }
```

### `components/ui/badge.tsx`

```tsx
import * as React from "react"
import { cva, type VariantProps } from "class-variance-authority"
import { Slot } from "radix-ui"

import { cn } from "@/lib/utils"

const badgeVariants = cva(
  "group/badge inline-flex h-5 w-fit shrink-0 items-center justify-center gap-1 overflow-hidden rounded-4xl border border-transparent px-2 py-0.5 text-xs font-medium whitespace-nowrap transition-all focus-visible:border-ring focus-visible:ring-[3px] focus-visible:ring-ring/50 has-data-[icon=inline-end]:pr-1.5 has-data-[icon=inline-start]:pl-1.5 aria-invalid:border-destructive aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 [&>svg]:pointer-events-none [&>svg]:size-3!",
  {
    variants: {
      variant: {
        default: "bg-primary text-primary-foreground [a]:hover:bg-primary/80",
        secondary:
          "bg-secondary text-secondary-foreground [a]:hover:bg-secondary/80",
        destructive:
          "bg-destructive/10 text-destructive focus-visible:ring-destructive/20 dark:bg-destructive/20 dark:focus-visible:ring-destructive/40 [a]:hover:bg-destructive/20",
        outline:
          "border-border text-foreground [a]:hover:bg-muted [a]:hover:text-muted-foreground",
        ghost:
          "hover:bg-muted hover:text-muted-foreground dark:hover:bg-muted/50",
        link: "text-primary underline-offset-4 hover:underline",
      },
    },
    defaultVariants: {
      variant: "default",
    },
  }
)

function Badge({
  className,
  variant = "default",
  asChild = false,
  ...props
}: React.ComponentProps<"span"> &
  VariantProps<typeof badgeVariants> & { asChild?: boolean }) {
  const Comp = asChild ? Slot.Root : "span"

  return (
    <Comp
      data-slot="badge"
      data-variant={variant}
      className={cn(badgeVariants({ variant }), className)}
      {...props}
    />
  )
}

export { Badge, badgeVariants }
```