Stack, sort and build! There are so many creative ways to play with this rainbow stacker. Not just to stack it as a rainbow, but also to build sculptures, or create a tunnel for trains and cars. Use your imagination and you will find endless ideas to play with the arcs of this rainbow.This wooden vintage rainbow stacker encourages your little one’s imaginative play and promotes fine motor skills, you'll be amazed about the versatility of this toy. Not to mention how great it will look in the nursery.