Free Your Imagination - The magnetic set contains 12 metallic balls (not magnetic), 12 yellow magnetic bars, 8 red and orange triangle panels, 2 red and orange square panels and 1 orange pentagonal panel Geomag is an educational game of the STEM category that favors learning. Geomag building sets encourage hand-eye coordination, sensitivity and attention span TAKE IT ANYWHERE - The Geomag Green Line includes a box made with 100% recycled plastic that allows you to carry your Geomag magnetic set and keep all the pieces tidy