Pre-Owned No-Sweat Science(r) Super Science Experiments

With these nearly 100 experiments, kids can create a whole new world of scientific magic and mystery. By carefully following the instructions they'll succeed in producing a batch of invisible ink, turning a straw into a trombone, squeezing an egg into a small bottle, launching a rocket with a lemon, and lots more. From cooking up a "liquid sandwich" to blowing a superbubble, every idea is wonderfully clever.