Now you can grow a tree representing each of the 4 seasons--spring, summer, fall, and winter in one kit. This kit includes 4 tree forms, trays, terraforming growing powder, illustrated instructions, and a booklet of season-changing facts. Experience all the seasons today! All in a 4x4x6" tube A great Fall item. Recommended for science gifts, nature gifts, an all ages fun hands-on DIY kit, a modern take on classic toy science demonstration. A great fit in many retail locations: art museum, science museum, childrens museum, botanical garden gift store, toy stores, souvenir store, stationery store. These crystal trees are a delight to build and grow.