If you are beginning to teach children about weight, this book is a great introduction to balance. Written and illustrated by Ellen Stoll Walsh, watch the mice and their friends create balance on a teeter totter. This book is intended for non-profit educational use only. Available for purchase: https://www.amazon.com/Balancing-Act-Classic-Board-Books/dp/1481420518/ref=tmm_other_meta_binding_swatch_0?_encoding=UTF8&qid=1617241741&sr=8-2