Hand Boiler

Heat from your hand increases the vapor pressure of the liquid in the lower bulb, forcing it into the upper bulb. An impressive display of vapor pressure and the force gases exert.

Features

• Heat from your hand increases the vapor pressure of the liquid in the lower bulb, forcing it into the upper bulb
• An impressive display of vapor pressure and the force gases exert.
• When you shop with Carolina, you’re not alone! All of our products are backed by unparalleled technical support, available from 8am to 6:30pm, ET, Monday through Friday. Live chat is available from 8am to 5:30pm ET, Monday-Friday. Contact information (Live Chat, email, and phone) is provided after placing your order at Amazon.