Create 3D structures from 2D nets with the 30Pc Rainbow Solid Opaque Set! Follow the step-by-step idea booklet to learn Magformers magnetic pull-up tricks to build a magic ball, house, tower and much more! Build with original and authentic Magformers and develop color and shape recognition, fine motor skills and problem-solving ability. Create with 18 magnetic Squares and 12 Triangles. Perfect for brain development, critical thinking and STEM education. Each geometric shape contains magnets that never reject, so you’ll always hear the Magformers click. When playtime is over, use the magnetic power to simply stack and store.