Review for LEGO set 6520 Mobile Outpost from Brickipedia
“The set contained a Polar Bear and two Arctic minifigures, a mini outpost, a sled, and a moving truck. The outpost opens to reveal play area. The vehicles that feature in this set also feature as vehicles in the video game LEGO Racers 2, on the Arctic world. The outpost also... More appears in LEGO Racers 2, on the Arctic, with Doc next to it.”
Full review at brickipedia.fandom.com