Heatproof, transparent, and durable, the mason jar is a science lab just waiting to be discovered. Unlock its potential with 40 dynamic experiments for budding scientists ages 8 and up. Using just a jar and a few ordinary household items, children learn to create miniature clouds, tiny tornadoes, small stalactites, and, of course, great goo and super slime! With a little ingenuity, the jar can be converted into a lava lamp, a water prism, a balloon barometer, and a compass. Each fun-packed...

This illuminating guidebook will help young tinkerers and makers find creative ways to use cardboard boxes, sheets, and tubes in easily-engineered projects, including awesome gadgets, toys, games, inventions, and sculptures.Cardboard is everywhere! For creative kids aged 9 to 14, it’s the perfect eco-friendly building material, and Cardboard Box Engineering is the perfect guide to get them started on inventive tinkering. A working kaleidoscope, a marble ro...