Monster Jam Mini Northern Nightmare 1:87 Custom Keychain Lanyard Snow Tires Pre-owned - Used. This item has been used but is in good condition and repurposed into a custom keychain--see pictures. Nice stocking stuffer, souvenir to wear to the Monster Truck Show or everyday carry along for normal play, fidget toy that is harder to "lose." The Monster Jam Mini Northern Nightmare 1:87 Custom Keychain Lanyard with Snow Tires is a special edition toy featuring a Monster Truck from the MONSTER JAM series. Made of plastic and diecast materials, this colorful model is part of the Christmas series and is recommended for ages 3 and up. It is a keychain and lanyard combo, perfect for boys and girls who enjoy playing with toy vehicles. The unique design and scale of 1:87 make it a collectible item for fans of Monster Jam.