This Silicone Stacking Rainbow is a delicate and poetic early learning toy designed to captivate children's imagination. Composed of 7 arcs of decreasing sizes in soft color shades, this toy encourages the development of fine motor skills, hand-eye coordination, and color learning. Children can stack the arcs to form a beautiful rainbow or use them creatively to build tunnels, bridges, and much more. Highlights of the stacking rainbow: - Fine motor skills - Color learning - Learning concepts of size and order - Creativity - Imagination Care: Washable with soapy water or in the dishwasher for optimal hygiene.