This book cover shows excellent figure ground/negative space. The contours formed by the position of the fox serve as the shape of a boy, I'm assuming "Peter." This empty space also creates a wonderful focal point for the book title to nestle into.
SCIENCE : AMAZING Lava lamp sensory bags- these are easy to make and allow kids to explore in a variety of ways. Learn colors, explore the Science of liquids, create fun works of art, and MORE! (BONUS- all the mess is contained!