Invent ways to reuse a plastic bag, design your own robot, discover accidental inventions and lots more in this exciting write-in activity book, filled with inv
This scribble-in activity book is packed full of inventions to design or discover, from real historical breakthroughs to crazy contraptions to get you out of be
Discover high-tech gadgets, design robots and machines, and solve all sorts of technological puzzles in this innovative activity book filled with inventions to
Discover how engineers solve problems in this innovative activity book, filled with inventions to brainstorm, puzzles to solve and objects to design. Create an
Celebrate the inventor of the Super Soaker in this inspiring picture book biography about Lonnie Johnson, the maker behind one of the world's favorite toys. You