"Use up spare parts or forgotten items from the garage to build your own miniature siege engine! Step-by-step instructions are used in this book to demonstrate basic engineering and physics skills for kids."--
"Make your own miniature medieval battlefield with ordinary items found around your house or school! Step-by-step instructions are used in this book to demonstrate basic engineering and physics skills for kids."--
Make a set of traps and triggers powered by rubber bands and inspired by real-life devices. Choose your target and area of operation, hide your traps and triggers, and wait. And learn about history along the way!
"Send paper clips flying with your own miniature launcher! Step-by-step instructions are used in this book to demonstrate basic engineering and physics skills for kids."--
