Products tagged with 4m

Kids can experiment with bubble making.

Build this futuristic machine and watch it jet off by transforming wind into kinetic energy!

Excellent automatic money bank robot, you can place a coin on my arm and watch me eat your money!

Reuse the package box to build a robot. It's a cool science project that is green and creative.

Perform amazing experiments with everyday materials. A fun kit filled with inspiration.

Dig and excavate natural crystals using the tools provided.