Your child will have fun dropping the 3 weighted chime balls down the track of this marble run building system! As balls race, spin and zig-zag, your little one learns to predict the balls course. Includes 8 pieces. Parts are not compatible with Marbleworks. 25" x 14 1/2" x 10" (63 cm x 37 cm x 25 cm). About Discovery Toys: Better Products, Better Parenting. Discovery Toys, a trusted brand for over 35 years, specializes in premium quality, kid-powered learning products for newborns through school aged children. The company began when an early childhood educator first brought together a group of dedicated teachers, mothers and parents to take on the important topic of education for children through play. Best in class, Discovery Toys combines multiple levels of learning in every toy with safety and quality standards beyond the national standards. Discovery Toys product is not a typical educational toy that you can find at your local toy shop. Each Discovery Toys product incorporates multiple Layers of Learningto 1) engage a childs multiple senses and all three learning styles and 2) empower the child to grow and advance with the product. We work carefully with our design and manufacturing partners to incorporate a unique play experience into each of our products, an experience that stimulates multiple centers in the brain simultaneously, an experience that promotes both critical thinking AND open-ended imaginary play. OUR MISSION Teach. Discovery Toys creates highly engaging learning toys, books, games and music that help parents and others teach learning skills through play. Play.? Discovery Toys ignites the imagination and interest of children as they learn and grow through play each day. Inspire.? Discovery Toys inspires learning! Our products not only inspire children to learn, they inspire parents and educators to teach and learn.