A puzzle, musical toy, and sculpture all-in-one stack or rubber wood rattles, these prismatic Rainbow Sound Blocks join versatility with eco-friendly charm. Coated with non-toxic paint, each set include rectangles, cylinders, and squares filled with different-sized beads in every shade of the rainbow. Use them to teach sorting, matching, motor skills, and color differentiation. And when your toddlers are too old to make a racket, Rainbow Sound Blocks make fun and colorful decorative objects for your desk or coffee table. Made in Thailand.