I just did this as a gift for a fellow chicken owner. I got electrolyte powder, probiotic powder, eye droppers, antibiotic spray and cream, and vet wrap and put it all in a box.

Sav-A-Chick 9-Count Probiotic... https://www.amazon.com/dp/B06XGM8PFR?ref=ppx_pop_mob_ap_share

Sav-A-Chick 9 Pack of Electrolyte... https://www.amazon.com/dp/B01K27VJ8C?ref=ppx_pop_mob_ap_share

xiweeui Self Adhesive Bandage... https://www.amazon.com/dp/B091KPCY7P?ref=ppx_pop_mob_ap_share

Vetericyn Plus All Animal... https://www.amazon.com/dp/B01NCZ28Z1?ref=ppx_pop_mob_ap_share

Manna Pro 2 Pack of Hen Healer... https://www.amazon.com/dp/B07XLP1Z4Q?ref=ppx_pop_mob_ap_share

8 Pack Liquid Droppers Silicone... https://www.amazon.com/dp/B08PBQHQJ7?ref=ppx_pop_mob_ap_share