Find out... what muscle never gets tired, why your ears pop when you're on an airplane, fun ways to move your body, what the human body has in common with other
Part of Buster's brand-new 'Big Activity Book' series and packed with 70 puzzles and games, The Big Human Body Activity Book is bursting with fun and fact-fille
Discover super fun activities to help kids ages 4 to 8 learn all about their bodies. From teeth to eyes and ears to skin and bones, there’s a lot to discover