Wooden Rainbow Semi Circles 12pcsThis Rainbow Semicircles building set opens the door to a world of new possibilities for budding architects. This set matches to large rainbow stackers in color and size. Included are 12 wooden half round pieces, each of diminishing size. These versatile platforms can be combines with other stacking toys to create sweeping staircases, as semicircular floors for doll houses, as platforms, as multi story towers, as ramps and packers in various creations