Discover the endless possibilities of Tileblox 20-Piece set. With the step-by-step idea sheet, create one-of-a-kind masterpieces! A great set for beginner builders looking to explore and learn through play. Arrives with 8 Triangles and 12 Square in Rainbow colors. Each geometric shape contains magnets that let you build with endless possibilities! TileBlox is perfect for STEM education and when playtime is over, use the magnetic power to simply stack and store.