【Material 】Made of environmentally friendly plastic, completely harmless, can be used with peace of mind.
【High - Quality】 Great workmanship, smoothly surface without burrs, vivid and interesting cylindrical graphics, easy to rotate and slide.
【Puzzle Game】 Helps exercise brain，memory and improve hand skills, suitable for children and adults. Can enhance the child’s sense of space and enhance the child’s memory, and can also be used as a gift for the child.
【How To Play】 All that you have to do is re-align them all in the original colour sequence.Each colourful column rotates around the cylinder, allowing the coloured counters to slide between layers into the single free space available.
Size: 4.3 x 6.6in/11x17cm