Features:Material: ABS plastic, strong and durable texture, smoothing surfaces makes hand feel better, not easy to scratch, play more assured.Perfect gift: Great idea for a gift to some friend who can't keep their fingers still, great for anyone who loves a brain teaser.How to play: After the cubes is disrupted, push the small ball in the o-shaped slot, and push the beads of different colors to the middle horizontal axises.Application: Perfect for the whole family to use in family gatherings or family gatherings, keep children away from computer games.Portable: The moderate size makes it portable and suitable for road, trains and plane travel. Perfect gift for toddler.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementDescription:Material: ABS.Size:6.8*6.8*6.8cm.