Build a box

Sell the box.
Your customers fill it.

Pick any six chocolates. A 3kg pick and mix bucket. A meat box by size. BundleBoss turns build-your-own into a real WooCommerce product: the customer picks a size, fills it from the range you set, and checks out as one cart line.

Try the live demo See pricing
A build-your-own chocolate box in WooCommerce: three pack sizes with a best-value badge, a 6 of 12 fill meter, and a live total

What the customer does

Pick a size

Small at £14.99 for 6, medium at £26.99 for 12, large at £37.99 for 18. Each size is one flat price for an exact count, and the best value tile gets its badge automatically.

Fill it

A grid of your products with steppers and a live "6 of 12" meter. Big ranges get a search box and category chips. Products with sizes and colours work too, chosen right on the card.

Buy it as one line

The finished box adds to the cart as a single item. Every pick shows on the order and the warehouse pick list, and stock is validated on the server, not just in the browser.

Price it the way your shop sells

Pack sizes

A 1.7kg bucket for £9.99, a 3kg for £17.99. One flat price per size, whatever goes in it. Made for pick and mix, hampers, coffee bags and meat boxes.

Per item, with a discount

The box costs the sum of what was picked, minus the bundle discount you set. Works when items vary a lot in price.

One fixed price

"Any 6 for £20." The box decides what is in it, the fixed price decides how much, and shoppers see what they save versus buying separately.

Quantity breaks

The more they add, the bigger the saving. The whole ladder is advertised above the box and the nudge tracks the next tier as it fills.

See it working, right now

Two live examples on the demo store. Click around, fill a box, add it to the cart. Nothing breaks, it resets nightly.

Pick & Mix Chocolate Box Full-page Selection Box

Set up in minutes, not an afternoon

The creation wizard has a Build-your-own box recipe: choose One size for a simple "pick any 10", or Different sizes and type each pack's label, price and count. Add the products customers choose from, preview it, publish. Point the pool at one or more product categories and it keeps itself current, so new products appear in the box on their own. The full detail is in the build a box docs.

Questions shops ask

Is this the same thing as mix and match?

Yes. Build a box is BundleBoss's mix and match: the customer fills a box from a pool you define. On top of the classic pick-any-six it adds pack sizes at flat prices, quantity breaks, per-product caps and a limit on how many different products a box can hold.

Can products with sizes and colours go in the pool?

Yes. A product with options shows a chooser on its card, so a customer can put a medium navy tee and a large black one in the same box. Simple and variable products mix freely in one pool.

How do pack sizes work?

You give each size a label, a price and how many items it holds, for example a 1.7kg bucket holds 10 at £9.99. The customer picks a size first, fills the box to exactly that count, and pays the size's flat price whatever they picked. The best value size is badged automatically.

Does the range keep itself up to date?

Point the pool at one or more product categories and it stays current: a product added to a chosen category later appears in the box on its own, with no edit to the bundle. Hand-picked products and categories combine in one pool.

Is build a box in the free plugin?

No, it is part of Pro, the Builder side of BundleBoss. The free plugin covers fixed bundles where you choose the contents and the customer configures every unit. Pro has a 14 day trial with no card needed, and upgrading keeps everything you built in the free plugin.

Start with the demo, then build yours

Free to install, no card for the Pro trial, and a working box takes minutes in the wizard.

See pricing Get the free plugin