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View compareFrequently Asked Questions
- Q: What materials is the NATIONAL GEOGRAPHIC Professional Rock Tumbler Kit made from? A: The tumbler kit is made from multiple materials including a durable motor and a stainless-steel lid for the barrel. The barrel has a leak-proof design and is built to withstand long-term use.
- Q: What are the dimensions of the NATIONAL GEOGRAPHIC Professional Rock Tumbler? A: The tumbler measures twelve point six inches in length, six point six nine inches in width, and ten point two four inches in height. This size allows for ample space for tumbling rocks.
- Q: How much weight can the tumbler barrel hold? A: The barrel has a capacity of two pounds. It is designed to efficiently polish a variety of rocks and gemstones.
- Q: How do you use the NATIONAL GEOGRAPHIC Professional Rock Tumbler Kit? A: To use the tumbler, fill the barrel with rocks, grit, and water, then secure the lid and set the timer and speed settings. The kit includes instructions for each step to ensure the best results.
- Q: Is the tumbler suitable for beginners? A: Yes, the tumbler is beginner-friendly with simple operation. It is designed for both kids and adults, making it an excellent choice for those new to rock tumbling.
- Q: Can I add different types of rocks to the tumbler at once? A: Yes, you can mix different types of rocks in the tumbler. The kit includes one pound of raw rocks with nine types of gemstones to get you started.
- Q: How should I clean the tumbler after use? A: To clean the tumbler, rinse the barrel with water after each use and let it dry completely. Avoid using abrasive cleaners to maintain its quality.
- Q: Is the tumbler quiet during operation? A: Yes, the tumbler is designed to be seventy-five percent quieter than traditional plastic barrels. This feature makes it suitable for use in quieter environments.
- Q: What should I do if the tumbler arrives damaged? A: If the tumbler arrives damaged, contact customer support for assistance. They can guide you on how to return or exchange your product.
- Q: What kind of warranty does the tumbler come with? A: The tumbler comes with a warranty that covers manufacturing defects. Always check the warranty details provided with your product for specific terms.
- Q: Can you use the tumbler for educational purposes? A: Yes, the tumbler is a great educational tool for teaching kids about geology and the rock cycle. It combines fun with hands-on learning.
- Q: How does the GemFoam enhance the tumbling process? A: GemFoam is a reusable polishing agent that, when added after the tumbling stage, gives gemstones an incredible shine. It sets this tumbler apart from others.
- Q: What age group is this tumbler suitable for? A: The tumbler is suitable for both kids and adults, making it a versatile choice for family activities or individual hobbies.
- Q: Is it safe to use in a household with pets? A: Yes, the tumbler is designed with safety in mind. However, supervision is recommended while in use, especially around pets and small children.
- Q: What additional items come with the tumbler kit? A: The kit includes one pound of raw rocks, five jewelry fastenings, grit, a strainer, and GemFoam. This comprehensive package provides everything needed to start tumbling.

