"PicassoTiles 80 Piece Magnetic Building Block Mini Diamond Series Travel Size On-the-Go Magnet Construction Toy Set STEM Learning Kit Educational Playset Child Brain Development Stacking Blocks PTM80""Please note mini diamond tile is not compatible with the regular full size tiles"" FeaturesDREAM BIG & BUILD BIG - No limitations, scalable to build as big as desired by adding more pieces to create the master piece. LEARNING BY PLAYING - Never too early to start developing kids creativity. Children can acquire strong sense of color, geometrical shapes, numbers counts, magnetic polarities, structural engineering and 3d architectural design at early age. BONDING BY PLAYING - Entertaining for single or multiple parties and feel the sense of achievement together. Suitable for all ages (3+ and up) by one party of in groups a great way to spend quality time with the family and love ones. LEARNING IS FUN - Encourage creativity which is the key factor to success in today's ever-changing environments. Fun and entertaining, perfect educational presents for school age children that will never go out of style. CREATIVITY BEYOND IMAGINATION - Magnet Building Tiles Clear 3D color Magnetic Building Blocks Playboards for preschool, pretend play group activity, teamwork, kindergarten and more. Easy to construct and easy to put away for storage.ENDLESS ENTERTAINMENT - Develops kids creativity and STEAM (science, technology, engineering, art and mathematics) skills. In The Box- 28 Mini Equilateral Triangles- 30 Mini Squares- 12 Mini Right Triangles- 8 Mini Isosceles Triangles- 2 Mini Large Squares"