This wooden seesaw comes in a complete set with 6 wooden figures, all finished with natural oil. This is a great addition to doll house and pretend play, also great fot learning about the concept of balancing (5 versus 4, for example). This toy is more a pretend play than an item for math learning. The balancing is approximate due to the weight of each doll not always the same. All Qtoys are made of plantation timber, using non toxic materials.