The Rattle Roller is perfectly sized for little hands to grasp and shake. The bell rings true and clear as it jumbles around inside the cage. At Green Tones we believe that every child is born with an innate musicality and through proper nurturing music will grow in your child. Scientific studies show that music is not only fun but beneficial for critical cognitive development in children. Crafted from chemical free Rubber wood with a non-toxic, clear-coat finish over German-made, VOC free water-based paint. As one of the oldest professional musical instrument companies, we believe that every day is a good day for music play. At Green Tones we are passionate about providing a musical foundation with a focus on incorporating the highest quality eco-friendly woods that are sustainably produced, beautiful to see and feel and safe for your child. From sustainable products to sustainable packaging to giving 1% of our profits to groups caring for the environment, we are committed to doing the right thing for you, your child and the planet our children will inherit. Green Tones is owned by Hohner, Inc., the professional musical instrument company established in 1857. As part of a company with such a long-standing tradition of musical excellence, Green Tones maintains the Hohner heritage of encouraging active music making through the use of engaging, safe, high-quality child-centered instruments.