Learn about height, depth, size, patterns and the sequence of sorting and stacking with this nine piece set. PlanPreschool toys provide a multitude of early child developmental features. Fun and learning are combined through baby toys, push-pull toys, manipulative toys, musical instruments, games, puzzles and blocks. Plantoys create toys that inspire children's imagination as well as promote their physical and intellectual development. PlanToys proves that it is possible to maintain superior quality while following a path of environmental and social responsibility.