Krypton High Speed Intelligent Educational Square-1 Block Puzzle Cube(1 Pieces)

High Speed Intelligent Educational Square-1 Block Puzzle Cube Toy for you and for your kid. The old prevent brain degeneration, but also highly enhance the development of little kids. The biggest difference of it with other cube is it will change its shape in the rotation, which is one of the reasons why Square - 1 is a little more difficult than a normal Magic Cube. Very smooth to Operate. Very Tough. The pieces don't come out when to accidentally fall from your hand. The Best gift for your child and also yourself.