Discover the fascinating science of vapor pressure with this mesmerizing liquid motion toy! It’s all about balance—liquid and vapor want to be equal, and vapor pressure is the invisible force pushing the liquid up through the bulbs.
Hold it in your hand, and your warmth transfers energy, making the vapor inside get excited and push the liquid upward. Although it looks like the liquid is boiling, it’s actually moving due to pressure differences between the two bulbs. As the gas expands, bubbles flow through the liquid, creating a hypnotic, boiling effect without real heat.
Available in 12 assorted colors (Red, Green, Blue, and Purple), this captivating science toy is recommended for ages 14 and up. Handle with care—it's breakable, and the liquid can damage surfaces.
