Let your child stack the wooden rings from big to small on the pyramid! That is quite a challenge, because the pyramid rocks back and forth. Fun to practice together and it promotes hand-eye coordination. The Little Dutch rocking ring stacker is also very cute as decoration for a child’s bedroom. Color Blue Collection Adventure Material Pine, wood, MDF, water-based paint Type of paint Non-toxic water-based paint Measurements product 10,7x10,7x22,5