Why do things move, fly, tick, or explode? These 25 entertaining experiments help budding engineers find out Explore the science behind construction, from how zip wires move to how marble runs work, with these hands-on experiments. Using easy-to-find objects and tools, each fun project--including a lolly bridge and a 10-second marble challenge--can be constructed at home. Every boldly illustrated experiment includes a "How It Works" explanation and a difficulty rating; budding engineers who feel confident of their skills can try the harder ones. Build It is the perfect introduction to key STEM topics, and guaranteed to keep young hands and minds busy.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.