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