Over 30 amazing science projects you can build for less than a dollar. Build a heart pump, rubber band racer, mini-bot, electric car, helicopter, lung model, tornado in a bottle, hydraulic butterfly, crane, and much more. Projects are designed to use recycled or nearly-free materials, with common tools. Step-by-step instructions with photos and summaries of the science behind the projects. Book is 159 pages long and contains hundreds of illustrations.
With Free Plan Choice