Whether playing at defending their own castle or simply chucking pumpkins over a fence, wannabe marauders and tinkerers will become fast acquainted with the ancient artillery devices known commonly as catapults.
Nikola Tesla was a physicist, scientist, electrical engineer, and world-renowned inventor whose accomplishments faded into oblivion after his death in 1943.
Nikola Tesla was a physicist, scientist, electrical engineer, and world-renowned inventor whose accomplishments faded into oblivion after his death in 1943.
Packed with over 300 species of bird, this beautiful encyclopedia will take you on an incredible journey through the world of birds, helping you find out about the amazing feathered creatures that share our planet.
Whether your child is crazy about chemistry or bananas about biology (or, let's face it, just likes making a mess), this book is choc-a-block full of experiments and projects that will get kids really excited about science - and all without going anywhere near a TV, tablet or computer screen.
Tells the story of the Wright Brothers' invention of the airplane, climaxing in the triumphant first flight of the Flyer at Kitty Hawk, North Carolina, in 1903.