Help your child to develop his or her senses of sound sight and hearing with the beautiful Wonderworld Wonder Sensory Blocks. With three blocks for visual stimulation three blocks for audio stimulation and three blocks for stimulating touch your child will learn and play at the same time. Crafted from eco-friendly rubber wood this toy is made with non-toxic paints dyes and lacquers as well as formaldehyde-free glue. About Smart Gear Smart Gear doesn t take parents trust lightly. Their innovative and fun toys meet or exceed CPSC ASTM-F963 and EN-71 standards -- making them some of the safest products in the United States and Europe. In a commitment to the environment Smart Gear uses eco-friendly materials and nontoxic paints. Corporate responsibility isn t a buzzword for Smart Gear it s common practice.