BLOCK CHAIN
These unique brainteaser puzzles each feature three levels of play. Block Chain cubes can be expanded and rearranged to form endless face combinations, and kids can twist and move them to solve each puzzle. Three styles are available: Pirates, Robots, and Unicorns (sold separately). These unique brainteaser puzzles each feature three levels of play. Block Chain cubes can be expanded and rearranged to form endless face combinations, and kids can twist and move them to solve each puzzle. Three styles are available: Pirates, Robots, and Unicorns (sold separately).