Do you have what it takes to be an awesome inventor? Yes, of course you do - and this action-packed book will prove it! Doodle the designs for your own egg parachute before testing it out; fix the plans for an over-engineered car by crossing out the bits that aren´t needed; and build the world´s greatest marshmallow catapult! While you´re drawing, making, and playing, you´ll be learning all kinds of exciting facts and ideas about the world of S.T. E.M - science, technology, engineering, and maths. An awesome book for both boys and girls, aged 7+.