Welcome to the latest collection from BabyBjorn, the ?Woods Collection?. The baby bouncer Balance Soft runs on fun alone ? no batteries required! Your child?s own movements will bounce the chair. Your child can have fun bouncing, while developing motor skills and balance in a completely natural way. Younger babies can be gently calmed by you carefully bouncing the chair with your hands or feet. We have also included a FREE Dream Baby Click Clack Ball teether!Baby Bjorn