Squeaking, clacking, rattling, tinkering.. each cube awaits with a different acoustic effect. In this way, early perception and musicality are fostered. Little sound explorers will really enjoy themselves playing with the discovery blocks and revel in the thrill of creating their own sounds and acoustic experiments. Contents: 6 discovery blocks with different acoustic effects. Each cube measures 1.75" x 1.75" x 1.75". Suitable for ages 12 months and up. Double award winner! The Baby Maternity Magazine Toy of the Year 2014, and The Bump - Best of Baby 2012. Parents will feel confident knowing it is made at our home factory in Germany of solid beech wood and colored with a non-toxic water-based stain.