Enter a world of imagination with the LEGO Ideas 21318 Tree House set! This 3036-piece building set is designed for experienced LEGO builders who want to create a unique masterpiece. The set includes a landscape base and a tree house with three rooms, including a main bedroom, bathroom, and children's room. The tree is made up of interchangeable sets of green summer leaves and yellow and brown fall leaves. Plus, all of the plant elements used in the set are made from sustainably-sourced, plant-based polyethylene plastic. The cabin roofs and treetop are removable, so it's easy to access and play with. This model also includes several play-inspiring features, such as a picnic table, swing, bonfire, treasure map, and hidden gem element for a fun treasure hunt. The winch on the bedroom cabin's balcony is even hand-operated! You can role-play fun family scenes with mom, dad, and two children minifigures, plus a bird. Also, check out the booklet, which includes valuable information about the set's fan creator and LEGO designer. Measuring over 14” high, 10” wide, and 9” deep, this set makes an excellent gift for LEGO fans aged 16 and up. Perfect for those seeking a challenge and a touch of nature!