30 magnetic pyramid shaped pieces that act as building blocks! -- Are you stumped for ideas? Do you want a fresh perspective on a problem? -- This ball of magnetic pieces is proven to jump start your creativity and imagination. Based on the rhombic triacontahedron, this ball consists of 30 magnetic pyramid shaped pieces that act as building blocks for an unlimited number of uses. -- You can create inspiring shapes, challenge yourself to recreate patterns shown in the activity book, have fun forming new designs, and much more! -- Recommended ages 8+