Top 10 Best Prince Ruperts Drop

The Borosilicate Glass Sticks are widely used in laboratories or kitchens to stir liquids such as chemicals, acids, alkali, water, etc, with good acid and alkali resistance, also good resistance to high temperature.. Material 3.3 Borosilicate Glass Color Clear Total Size 150 x 6mm5.91 x 0.24 inch, 200 x 6mm7.87 x 0.24 inch, 250 x 6mm9.84 x 0.24 inch, 300 x 6mm11.81 x 0.24 inchLD In the package of 4 x Stir Rod. The stick is made from borosilicate glass, good resistance to acid, alkali and high temperature, and its strength are higher than ordinary glass. Round on both ends for preventing your containers from scratches, and the smooth surface brings you a comfortable grip.. The stirring rod is reusable and washable, please wash and dry it after use for next time use.. Please check the size carefully before ordering it.

Don't Buy Any Kinetic Desk Top Before Reading This --- Which is the foucs when you choose the top Quality and price. We put customer purchasing experience on the frist.. Kinetic Desk Top In the market, most product 38mm can spin about 2 mins with noice.However, our product can spin about 6 mins without any noise and wiggles. Our product diamater is 54mm. Apply precise machined by aerospace grade aluminum and plating.In addition, for the spinning top, it is designed self-balance products. It can spin 4-5 mins in normal. The best record is 9 mins on Concave Lens.The price is only equal to one kinetic desk toy.. Amazing Vision --- Kinetic Desk Toy is precise machined by aerospace grade aluminum and plating. Creates a full body optical illusion when spun. looks like continuously flowing helix would merge into a surface of tabletop. Designed to spin on any desk or flat surface. Spinning top is made of stainless steel 303 metal. Very sturdy and durable. Textured shaft provides a perfect grip to spin it easily fast quiet.. Inspire Creativity and Relieve Stress --- Perfect for creators, makers, thinkers, and anyone who wants to release their creativity and imagination. Also great for fidget, autism, depression, anxiety, ADHD, staying awake and other attention disorder issues, like nail biting, insomnia, smoking, leg shaking, etc. There is something oddly attractive about the shape of the sphere- it just asks to be held in a palm.. Easy to Play and Perfect Gift Choice --- Simply place it on your desktop and give it a spin to create a mind-bending 360 optical illusion. Also there are simple, lightweight, pocket size and fun.Optical illusion and spinning top is a unique way to bring excitement to anyone. Be an idea for Christmas gift, New year gift , birthday gift or Other festival present..