Disclaimer: "Polar-Lights" is often confused with the American company "Polar Lights" (known for reissues of Aurora monster kits). However, "Polar-Lights Casey Set 109" appears to be a vintage or reissued European (likely German or Scandinavian) model kit, possibly a train or diorama accessory. If you meant a different product (e.g., a slot car set, a specific Polar Lights reissue, or a Casey Jones train set), this guide assumes a generic context. For precise identification, check the box for "Made in W. Germany," "Faller," "Revell," or "Heller" collaboration.