Tumbler: https://www.amazon.com/dp/B001MYGLJC?ref_=cm_sw_r_apin_dp_7G9XF3PM80HJ1VJVM475

Tumbling medium: https://www.amazon.com/dp/B09KH3NZM5?ref_=cm_sw_r_apin_dp_4AVHK82VKNE4QQW2BRJZ

Polishing compound (mix in with the tumbling medium, just a couple tablespoons): https://www.amazon.com/dp/B00BQA3VEK?ref_=cm_sw_r_apin_dp_Q4A4HE1XR8G16JM91TRV