Building Kits

From special holiday cheer to sweet STEM skill building, the Plus Plus Holiday Mix tube is a creative gift for kids! Choose from a mix of festive C...

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...

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...

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

Construct funny, cool dinos with this new learn-to-build set. Your littles will love sorting through 500 pieces to build their very own prehistoric...