If the buckets smell, there's a risk that it will cause respiratory problems for the snake and any residual chemicals may also cause skin, eye and mucous membrane irritation, or worse. The ventilation holes seem barely sufficient for a completely odorless enclosure, but I'd make them bigger or add several more of them. Finally, there's all that tape. Somebody here lost several babies, was it last year, when they came in contact with tape and I've heard about others losing babies and seriously injuring adults by using tape on the inside of the enclosure.