Planar Ball Wooden Toy is made of natural wood and water-based paint material, odorless, smooth and non-toxic. Mix up the beads of the two colors and move the beads through the middle (4 beads at a time). Restore the beads to one color on one side, and finally 2 red and 2 natural wood beads are left in the moving block. Suitable for all ages to improve brain intelligence, develop space thinking and relieve boredom and stress.
