This beautiful rainbow stacking toy is the perfect way to introduce baby to the joy of building play. This rainbow, from Dena toys, is manufactured out of platinum silicone, which is BPA free, PVC Free, Latex Free, Phthalate Free and 100% safe. Silicone is a soft material that invites sensory exploration. Use this joyful rainbow as a teether, for stacking, as a puzzle, for imaginative play or as a bath toy! The possibilities are endless!