Bones Book & Skeleton Book
How do broken bones heal? Why do you shrink during the day and grow at night? How to muscles and bones work together? you'll learn the answers to these questions and more in The Bones Book. Comes with a specially designed 12", 24-piece skeleton, which is anatomically correct and easy to assemble. Paperback by Stephen Cumbaa. 64 pages with full-color illustrations, measures 4-1/2 x 8".