Shake it to see a fun effect: the leaves in the transparent belly move The curly warbler accompanies the child in his first discoveries, helping him to develop hearing and visual abilities The back of the hedgehog is rich in texture to encourage the development of sensoriality and fine motor skills The hedgehog's quills are made of soft plastic: ideal for teething Fabric leaf that makes a creaking sound when you press it The practical attachment system facilitates attachment to prams, strollers and child seats