I've actually had this on my chicken-wish-list for a while (for myself, of course). Ever since the discussion of fecal exams at home. It's rather "spendy", though. One day!
https://smile.amazon.com/dp/B0094JTZOU/?coliid=I2FRTLB7H7K750&colid=3JU4GNB2N11AL&psc=1&ref_=lv_ov_lig_dp_it