If you're into making custom epoxy or glitter tumblers, a turner is a must-have. This LFSUM model has two arms, so you can work on two cups at the same time. It comes fully assembled—just plug it in. Each arm has its own on/off switch and can rotate clockwise or counterclockwise (flip the switch to change direction). It fits most popular tumblers from 10oz to 30oz thanks to the three adjustable foam inserts. The metal construction with ball bearings makes it stable and surprisingly quiet. The kit includes a ton of extras: PVC tubes, a screwdriver, mixing cups, sticks, gloves, glitter, a silicone mat, a brush, and even cup drying racks. The motor is UL-certified and doesn't overheat. Perfect for beginners or seasoned crafters selling tumblers. Comes with a good warranty. Start creating smooth, professional-looking tumblers at home.