wood double dance / pair dance / partner dance to

Material : wood slats pad , round wheel , round wood strips, 2 cartoon kidsTheory:involve the knowledge of wheels, crank conneting link . Smart and attractiv design . The Cartoon kids will move up and down once the move the operating crank ..The toy needs to be assembled with glue by children , so it can help to improve kid's thinking and hands-on abilitycan be sold in single or 12 different pcs in a group