The *NEW RETIRED SEALED LEGO Insiders: Retro Space Explorer set (6607199) is a limited edition complete set with 150 plastic pieces. This set, released in 2025, features a space theme and comes in a box packaging. As a part of the LEGO Insiders collection, this set appeals to fans of building toys and enthusiasts of space exploration. The set includes a unique Retro Space Explorer character and is a promotional item originating from Denmark.