Beautiful rainbow stacking features wooden arches to boost childs' imagination, creativity and captivate children in open-ended play. Rainbow stacker is an amazing Montessori-inspired multi-purpose arch for toddlers, kids and even adults! The bold colours of this beautiful wooden rainbow will help to boost a child's imagination, creativity and provide hours of open-ended play. Benefits of Rainbow stacker: It stimulates reasoning skills. Spatial awareness. Problem-solving skills. Enhance creativity. Refine eye-hand coordination and motor skills. Boost critical thinking and deep play. Children learn about colours. Nesting and stacking ability. Uses of Rainbow stacker: There is no right or wrong way to use a rainbow stacker hence it's a unique open-ended toy for very young as well as older children. The pieces can be used together or individually as bridges, tunnels, seesaws, fences, houses, doll cradles or caves.