![Rock Tumbler Explorer Series](http://learningtreetoys.com/cdn/shop/products/tgtg_sp22_rtngtumbler3_793x904.jpg?v=1647111066)
Rock Tumbler Explorer Series
$69.99
It's all about what's on the inside. Ordinary rocks turn into polished gemstones, showing kids that earth's treasures are all around us. High-quality, leak-proof tumbling machine, polishing grits, learning guide and more are included.
From Blue Marble, for ages 8 yrs-teen.