Building Kits

Check out our new favorite STEM activity for curious kiddos! Ages 6+ use the crystal clear instructions to build a durable wooden paper plane launc...

Check out our new favorite STEM activity for curious kiddos! Ages 6+ use the crystal clear instructions to build a durable mini pinball game in abo...

Check out our new favorite STEM activity for curious kiddos! Ages 6+ use the crystal clear instructions to build a durable foosball game from woode...

One shape, endless possibilities. Encourage open-ended, creative play with this 240-piece starter set of Plus-Plus! Kids learn to create in 2D or 3...

Check out our new favorite STEM activity for curious kiddos! Ages 6+ use the crystal clear instructions to build a durable rocket and launcher, no ...

One shape, endless possibilities. Encourage open-ended, creative play with this colorful starter set of Plus-Plus that includes 1000 interlocking p...

Free play or follow patterns with these organically-shaped translucent plastic rocks. Each rock has a satisfyingly smooth texture and a calming col...

Beam me up! Safely weld and construct bridges as big as 2' tall or any other structure you dream up. Connect plastic beams and use real-life techni...