Design a speed boat, create a rocket and make a catapult plane! This book will guide you step-by-step through great crafty experiments, as well as explaining the science of forces and motion.
Worth knowing
Written forMiddle grade
How do you feel?
Design a speed boat, create a rocket and make a catapult plane! This book will guide you step-by-step through great crafty experiments, as well as explaining the science of forces and motion.