Build your very own wooden music machine by following easy, step-by-step instructions. This hands-on STEM toy lets your child construct their first instrument while learning about gear mechanics, vibrations, and musical notes. Smartivity toys are trusted by parents and loved by kids in over 30 countries. Each product undergoes months of rigorous research and testing, carefully crafted by toy designers and validated by children, parents, and STEM experts before reaching your hands. Perfect for curious minds ready to imagine, create, and play.