Create 3d structures from 2d nets with magformers 30-piece blue/green set! With bright colored 18 squares and 12 triangles, this set is ideal for little fingers and perfect for building a magic ball, house, tower and much more! See what your imagination will create! Build with original and authentic magformers and follow the step-by-step instructions and develop color and shape recognition, fine motor skills and problem-solving ability. Each geometric shape contains magnets that never reject, so you’ll always hear magformers click. When playtime is over, use the magnetic power to simply stack and store the pieces.