Free Sample Home Decoration Stress Relief Toy Glass Thermodynamic Lover Thermometer Craft Hand Boiler

How it works:

In the palm of your hand is everything you need to get this liquid boiling-or at least appear that it is! It all comes down to Charles' law, discovered in 1787 by Jacques Charles, which states that a gas's volume is proportional to its absolute temperature. Or in other words, as the temperature of a gas increases, so does the amount of space it takes up. So inside the Hand Boiler (which is at a constant pressure),the heat from your hand causes the gas to expand enough

to displace the liquid. How cool is that?

My sister factory Anhui Fineproduction Arts & Crafts Co., Ltd. is the original manufacturer of hand boiler. The factory is specialized in various glass crafts such as drinking bird, hand boiler, Galileo thermometer, and so on.We are the supplier of many American shops and importers. We can make buyer's Logo and package, and we can aslo develop new design by buyer's design or drawings. Free samples are available from us.

Inner package: bulb wrap plastic paper + PE foam with gift box for each product; 100pcs in a master carton of high quality; or by customer's specified package

Shipping: by sea or by air