Eichhorn Baby HiPP Collection sound building blocks: The 7 sound building blocks and the plush donkey from the Eichhorn Baby HiPP Collection in different colors and shapes are the perfect toys for all little explorers. The stones are made of high-quality beech wood and each have beads, a bell or other sensory discoveries. This specifically promotes and trains your child's musical ear, motor skills and hand-eye coordination. Made from 100% FSC® wood from sustainable forestry. Suitable for children from one year of age.