Check the listing for details. LEGO AVATAR Floating Mountain 75573 RETIRED Set Pristine Condition FREE Shipping. Condition: New. Listed at 74.95 USD. The LEGO Avatar Floating Mountains Site 26 & RDA Samson (75573) is a retired set released in 2022. This complete set includes the Jake character and is part of the Avatar LEGO theme. Made of plastic, this set features intricate details and measures 11.77 inches in length, 22.01 inches in height, and 9.92 inches in width. Packaged in a box, this set offers a fun and creative building experience for fans of the Avatar movie franchise.The LEGO Avatar Floating Mountains Site 26 & RDA Samson (75573) is a retired set released in 2022. This complete set includes the Jake character and is part of the Avatar LEGO theme. Made of plastic, this set features intricate details and measures 11.77 inches in length, 22.01 inches in height, and 9.92 inches in width. Packaged in a box, this set offers a fun and creative building experience for fans of the Avatar movie franchise.