$14.95
The compass was invented around 200 CE in China and pointed south. The dry compass, like this one, was invented in medieval Europe around 1300 CE.
Glows in the dark, strong steel and glass construction.
$59.95
Begin a lifetime of scientific investigation and understanding with 29 fun experiments in five key areas: nature, physics, chemistry, air, and water.
Learn what plants need in order to grow, observe the clouds, see how water climbs, watch plants sweat, and investigate plant propagation. Discover how a magnifying glass enlarges, how colours mix, how static electricity attracts, how sundials tell time, and how a motion picture works. Investigate air pressure, air flow, hovercraft, paper airplanes, and suction. Write secret messages, float a paper clip, blow super bubbles, observe capillary action, and test displacement. Build a soap-driven boat, mix oil and water, experiment with evaporation, paint with sugar, and watch colours separate.
With a 48-page illustrated guidebook, Stepping into Science teaches science fundamentals with step-by-step, hands-on experiments, while also introducing children to the scientific method itself.