Mystery Box - Small

Do you love surprises? Then the Plus-Plus Mystery Box is just for you.
Inside, you’ll find a box filled with at least 300 pieces. Exactly which colors and themes you’ll get is a mystery.

What you can be absolutely sure of is that you’ll get loads of building fun and great value for your money, because in all 3 Mystery Boxes, you get twice the value you pay for. The Mystery Box is the perfect gift for kids who love to build, or for anyone who just wants a fun surprise and plenty of creative content.

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What is a Mystery Box?

A Mystery Box is a package where the contents are a secret – you won’t know exactly what you get until you open the box. It’s like receiving a gift, but without knowing what’s inside. The colors and themes vary, and each box contains a selection of Plus-Plus products, perfect for creative play and exploration. You might find the latest colors, fun themes, or rare versions that you can’t find anywhere else. Every box is a new chance to discover something amazing.

Unleash your imagination – and let yourself be surprised by what your Mystery Box has in store.

More pieces = more play… and more surprises. Each Mystery Box hides a colorful and imaginative surprise – maybe wheels, baseplates, or glitter colors. Every single box is filled with creative potential.

You can also choose between two other sizes:

Medium Box – €24,99 (value €50)
Large Box – €49,99 (value €100)