Interlock the blocks! Twelve grooved pieces spin & slide together in countless colorful configurations Pick a challenge gather the pieces then twist & join them together to build the featured 3D shape Combine them correctly & you've found the key to interlox! The twisting 3D puzzle Interlock the blocks!12 grooved pieces spin & slide together in countless colourful configurations Pick a challenge gather the pieces & join them together to build the featured 3D shape Suitable for ages 10