Ready, Aim, Launch!

Description:

What can you do with paper clips and other tiny items that fall under your bed or get lost in a drawer? Send them flying with your own miniature launcher! With step-by-step instructions to create a tabletop version of this medieval machine using simple materials found around the house, this book introduces basic engineering and physics concepts to readers.

subjects: Weapons,  Bow and arrow,  Firearms,  Paper clips,  Military art and science,  Juvenile literature,  Firearms, juvenile literature,  Weapons, juvenile literature,  Military art and science, juvenile literature