An excellent introduction to the world of air, wind, planes, parachutes, helicopters, and windmills: Easy-To-Make science experiments each with accompanied by why they work and further bright ideas.
PLEASE NOTE: this is your last chance to buy this book. We will NOT be buying it again. Also, this book is NOT RETURNABLE, and SOLD AS-IS. It may have defects, such as highlighting, torn pages or loose cover.
Did you find this review helpful?