Operation Game, Simpsons edition, Trick Knee 'Body' part. Genuine MB Games part. This lot is the single body part only. This is a used part, but is in excellent condition. No damage noted. This part is from a mid 2000's Simpsons edition of the game. This is a great lot if you need to replace your own lost or damaged part, want a spare, or even for crafts. Clean, non- smoking home.