This simple, bright rainbow toy stimulates play in babies from birth. The Rainbow Stacking Toy consists of six soft, colorful silicone arches that stack inside each other. It’s made of the same quality silicone used for pacifiers and teething rings, making it safe, strong and bacteria resistant. The Rainbow Stacking Toy is also dishwasher-safe, hypoallergenic and BPA-free. Six pieces. Ages 0+.