Ages 8+ years
Feed your love of geology with the National Geographic Agate Rock Tumbler Refill Mix from Blue Marble.
What you get is one pound of Agate rock sourced from around the world. Colors and sizes will vary between refill kits.
This refill kit also comes with 4 grades of grit to use — coarse, medium, fine and polish — as well as jewelry fastenings and a learning guide for learning all about these amazing and colorful rocks.
Keep your rock tumbler tumbling with this vibrant Agate refill mix!
What's in the box:
Please note: Rock tumbler is sold separately.
This toy contains small parts that present a choking hazard and is not suitable for children under the age of 3 years.
NGAGATEREFILL