Product Review

We’ve scoured the globe and collected the best raw gemstones for rock tumbling!

This rock tumbler refill kit includes:
• The ultimate variety with 9 types of raw gemstones (1 lb in total)
• 4 courses of premium polishing grit that will turn your “stones” into “gemstones”
• Jewelry fastenings: 2 necklace, 2 earring, 1 keychain, 1 ring
• Discover with Dr. Cool’s education adventure guide written by teachers

Boys and girls will love witnessing the incredible transformation of these gemstones and adding them to their rock collection!

A Brand You Can Trust
Discover with Dr. Cool is a name parents trust. Founded by a teacher and a life-long rock hound back in 2009, Dr. Cool has won over 100 awards for the play value, educational content, and overall quality of their toys. These awards include:

• 10 Best Toys for Kids - Dr. Toy
• Kid's Product of the Year - Creative Child Magazine
• Award of Excellence - Parent Tested, Parent Approved
• Best of the Year – Family Review Center
• Brain Toy Award – Academic’s Choice
• Brain Child Toy Award – Tillywig Toy
• Teachers Choice Award - Learning Magazine

All Discover with Dr. Cool products are backed with a 100% satisfaction guarantee, so you know you’re giving a quality gift that any child will love!

Science doesn’t get any cooler than this!