Meffert’s Ghost Cube Puzzle – Consists of several levels with pieces of different shapes and sizes. Twist the cube until it has completely lost its shape. The goal is to turn all the pieces back into the original cube shape. Inspires children’s observation, imagination and hand-on coordination. Also great for exercising fine motor skills, the ability of logical thinking and problem-solving. It is perfect ultimate gift idea as Christmas gift/ birthday gift/ festival gift.