The package weighs 26kg and delivered by DPD. In fact, the whole "block" at the end of very stable and umfallsicher. It consists of two parts, the upper consists of seating and a spacious cave and any can be placed on the second part, the platform with stairs and 3 scratch tribes. It is important to build both from top to bottom, so do not start with the base plate! But start with the platform and then dranschrauben the Sisalumklebten tribes, finally the base plate. (The assembly instructions are rather useless.) The Stubentiger can all pull up or jump. Everything was great.