Comes with (Pack of 40). These 2.5x2.5x2.5-in. 3D puzzle cube games are perfect for independently challenging yourself or competing against your peers. Working to solve these puzzle games sharpens concentration skills, hand-eye coordination, memory, patience, reflexes and boosts self confidence. They feature a holographic 3D finish and can be kept in your desk at work or at home. Carry it in your backpack to play with on the bus. These make great stocking stuffers and are also good for teachers, medical professionals' waiting rooms, and care packages.