I found an 18000 piece Ravensburger “Skyline's of the World” puzzle, with all 4 bags still sealed, at a local thrift store for $5 today 🤗 : r/Jigsawpuzzles
18000, Ravensburger, Skylines of the World - Rare Puzzles
Ravensburger (17829) - "Evening Walk in Paris" - 18000 pieces puzzle
18000 piece puzzle, 4 World Maps, Ravensburger, Germany. | Flickr
At the Waterhole | Adult Puzzles | Jigsaw Puzzles | Products | At the Waterhole
Amazon.com: Ravensburger at The Waterhole - 18000 Piece Jigsaw Puzzle for Adults – Softclick Technology Means Pieces Fit Together Perfectly (17823) : Toys & Games
AT THE WATERHOLE 18000 PIECE PUZZLE - THE TOY STORE
Magic Jigsaw Puzzles - 🏄 18000 pieces and 14 months! What's the largest puzzle you've made? Huge puzzles here – https://ximadpzl.onelink.me/BkON/holidays #jigsawpuzzles | Facebook
Ravensburger 18000 piece puzzles Tropical Impression No 17 834 6 (Hard to Find!) | eBay