Like any good rattle, Simon the hedgehog makes the sound of a bell. Great. Is that all? No way! Simon"s paws are teething rings. His spines are soft, grainy, crackly, silky or velvety to touch. Simon is the ideal rattle for stimulating baby"s senses. Educational values: -Stimulation of manipulation -Awakening of the senses through the different colors, materials and sounds used