National Geographic Hobby Rock Tumbler Kit

from Susan

I love this thing! It's much quieter than the old style tumbler, but we put it under a box and covered the box with a blanket to further dampen the sound. Now it sounds like a pot of boiling water---a rather soothing sound, actually. Now I can polish the rocks I've been picking up all these years...

from Stacey

My 5 year old is really enjoying this STEM project. We have only finished grit #1 but we can already see a difference. It was fun to compare the stones after the first grit cycle to the before picture. My son was excited to see some colors and patterns coming out that he hadn't seen before. We're...

from Momofboysx2

This is a great item for anyone who has a little geologist in them. This comes with everything you need to start polishing rocks. This is not for an impatient person, it does take anywhere from 3-4 weeks to get the results you want. My boys want to try different rocks they find outside in it. The...

from Kellyleef

Love it so far .only 5 days in of the month it has of tumbling Bought my oldest granddaughter this for Christmas this year. My son had one when he was little and it was extremely loud . This one is not. The sound reminds me of ( a tiny bit louder ) one of those old table top water fountains from...

from Britt

I was so excited to get this tumbler. I bought a tumbler from hobby lobby and it died within 30 minutes of using because the belt couldn't support the weight that it advertised. This tumbler is very well made, it seems. It's also pretty quiet compared to others. I will update post with pictures w...