Cardboard Box Play House : 5 Steps - Instructables
VEVOR Electrical Box 24 in. x 24 in. x 8 in. NEMA 4X Steel Enclosure Waterproof Electrical Junction Box With Mounting Plate DQXJSTCFS60X60X20V0 - The Home Depot
Plastic Enclosure Housing DIY Project Box Abs Plastic Box For Electronics Small Desktop Box Junction Box 100*60*25MM - Walmart.com
diy electronics plastic housing box for LCD (4 pcs) 85*85*25mm abs plastic box electric box, project case electronics enclosure|electronics enclosure|electronics plasticelectronic case - AliExpress
This house-in-a-box has just about everything you need