Electric Gem Polishing Machine Fun Physics Science Experiment Set DIY Stone Polishing Machine Test Kit

Descrição de Electric Gem Polishing Machine Fun Physics Science Experiment Set DIY Stone Polishing Machine Test Kit

Turn rough rocks into beautifully polished gems with this easy-to-use rock tumbler kit. It helps transform ordinary stones into smooth, sparkling pieces suitable for jewelry making and display.

The reduced-noise design sets this rock tumbler apart from standard plastic models. With a motor and a leakage-proof rubber barrel, it runs 75% quieter, helping create a calmer gem grinding process.

This all-in-one gem polishing kit includes everything needed to get started: 4 polishing grits, real rough gems, and a detailed study guide. It is suitable for children and adults who are interested in physical science experiments.

Operation is straightforward with simple instructions and one-touch settings. Set the timer and let the tumbler handle the grinding process, making it a practical and educational activity for the whole family.

Built with a stable structure, reliable performance, and long service life, this rock tumbler kit is designed for repeated use. Plug type: US plug, suitable for Canada, India, Mexico, Thailand, Taiwan, the Philippines, and similar regions. Voltage: AC110V. Colour: as shown. Material: plastic and metal. Package contents: 1 electric gem polishing machine, 1 power adapter, and 1 set of other mounting accessories. Only the above package contents are included. Note: Light reflection and different displays may cause the item color in the picture to differ slightly from the real product. Measurement tolerance is +/- 1-3 cm.