Creative and hot puzzle toy for enhancing assembly ability. Improve children intelligence and imagination.Great decoration, Can be used as magnetic jewelry, such as necklaces, bracelets.Endless combinations. It is not easy but up to your patience and creativeness.The size is 1.2*1.2*1.2 inch, made up of 216pcs small ball that diameter 0.2 inch.Magnetic ball is Not suitable for under 12 ...