Google how to make mushroom growing petri dishes.
Buy spores. Sporenite.com is reputable.
23 qt pressure cooker $130 Unicorn bags 14-a $20 35 lbs bird seed $12 Spore syringe $15 Petri dishes $11 Agar $10 Light malt extract $10 Mono tub $7 Coco coir $10 Bucket with lid $4 Vermiculite $15...