Activity & Learning Toys

Advanced Professional Rock Tumbler Kit - with Digital 9-day timer & 3-speed polisher settings - UK/EU Edition Turn Rough Rocks into Beautiful Gems : Great Geology Science Kit STEM Gift for all ages Professional Advanced Rock Tumbler Kit, Manufacturer: Dan&Darci Advanced Professional Rock Tumbler Kit - with Digital 9-day timer & 3-speed polisher settings - UK/EU Edition Turn Rough Rocks into Beautiful Gems : Great Geology Science Kit STEM Gift for all ages