How can you build a house, retail shop, barn, swimming pool, or virtually any structure or sculpture imaginable? Get in the groove! Groovy Blocks building toys feature pieces that are grooved on all four sides for endlessly flexible construction possibilities. Simply slide the grooved building and engineered link pieces together to create super satisfying, sturdy connections. Large squares create roofs and floors with ease. Hinge pieces make doors and window shutters that really work! Kids looking for a new twist on construction toys will think theyre groovy! Develops creativity and problem solving skills Builds fine motor skills and hand-eye coordination This set includes new shapes not included in the 120-piece set 170 grooved building blocks and links, plus instruction guideAge Recommendation: Ages 4 and up