Caged Marbles from Smart Games is a tactile one-player logic puzzle for ages 10 to adult. Eight uniquely designed marbles, each with its own bumps and holes, must be fitted into a two-part cube so that it closes with a satisfying click. Choose from 80 challenges, each with a single solution, to exercise concentration, logic, planning, problem solving and spatial insight. The box contains the cube in two halves, a base, eight marbles and a challenge booklet with solutions.