Simple Setup & User Friendly: Designed for quick assembly and action, this observation box comes with clear instructions; Suitable for all skill levels to achieve rewarding growing outcomes Complete Mushroom cultivation: This indoor greenhouse mushroom observation box provides a full planting with high visibility PVC cover, optional base mat, and mushroom growing container Effective Retention: The PVC cover maintains ideal humidity levels for mushroom development; Included growing container helps adjust conditions for different mushroom varieties Visible Growth Tracking Design: Made with clear PVC substance, the observation box allows of every mushroom growth stage from sprouting to harvest; Enhances educational value and makes a great option for family activities Optional Base Mat for Tidy Care: The detachable base mat prevents marks and protects your planting face while keeping a clean growing area