The hand boiler science toy is a delightful blend of . Its beautiful glass construction and vivid liquid make it an eye-catching decorative piece, while its interactive a fun way to scientific concepts. suitable for home table decor, it adds a whimsical touch to any setting, making it a must-have for . Features -Color:Sky-blue -Material:Glass, liquid -Size:16.50X6.00X5.00cm/6.48X2.36X1.97in -Temperature sensitive liquid timer: this hourglass transforms body heat into motion, creating a unique blend of for your home decor -Elegant glass craft liquid timer: crafted with precision, the hourglass features a smooth finish and artistic design that adds sophistication to your space -Relaxing liquid motion timer: the gentle rise of liquid provides a calming visual experience, suitable for unwinding after a busy day -Creative desk accessory: enhance your workspace with this stylish and functional hourglass, ideal for sparking creativity and focus - and stylish: built with glass, liquid materials, this hourglass combines durability with aesthetic appeal, ensuring long term use Package list: 1 x temperature-sensitive hourglass