It's never too early to start developing kids' creativity and Techno Tiles are a great place to start. Basic shapes can turn into grand masterpieces. Simply connect the shaped tiles with the snap-on two-way and four-way connectors and watch your structures come to life. From rockets to castles, vehicles and abstract structures, Techno Tiles puts no limit on your imagination. The set includes over 240 pieces including squares, small triangles, large triangles, two-way connectors, and four-way connectors. Techno Tiles are a great tool to learn about basic geometry, construction, engineering, and architecture. This product aligns with and supports STEM (Science, Technology, Engineering, and Math standards). Ages 3-6 years.