Karmin International Farmall Tractor Series 500-Piece Jigsaw Puzzle, 4-Pack The Farmall Tractor Series from Karmin International features 4 beautiful 500-piece puzzles Karmin puzzles offer a wide range of artistic images that appeal to puzzle lovers everywhere Ecofriendly, 100% biodegradable puzzles are printed with vegetable ink on 90% recycled materials Made in the USA Karmin is committed to providing quality, affordable, American-made puzzles and activities for children and adults