All You Need is Love Round Jigsaw Puzzle Props-Unique and Challenging,Fun for Adults and Children.1000 Piece Round Puzzle for Friends and Family,with A Free Poster of The Puzzle, Jigsaw Puzzles - Amazon
ArtStation - D&D puzzle and other props
Round Puzzle-It's Always Reading Time-300 Pieces Wooden Jigsaw Puzzle Props Home Wall Decoration Educational Toy for Adults and Children Family Game Decompression Toy Gift | Algopix
Puzzles and Props by The Printing Goes Ever On — Kickstarter
Orb of Safekeeping Puzzle Box Life-sized Prop for Escape Rooms, Cosplay, Larping and RPG Games Like D&D, Pathfinder and Other Rpg's - Etsy
Match Four Jumbo Sized Escape Room Puzzle and Prop – Creative Escape Rooms
Puzzles and Props Campaign - MyMiniFactory
EXZYU Labyrinth Puzzle Prop Real Life Escape Room walking the maze by metal ball from start to finish to Unlock Chamber Room - AliExpress
Ring of Regeneration Prop Puzzles and Props&Beyond D&D | eBay
Props Puzzles, Game Supply for Escape Rooms - Creative Escape Rooms | Escape room, Escape room puzzles, Escape room diy
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OC] Announcing 3D printable Puzzles and Props Kickstarter. Real-sized magic items, thematic puzzle boxes and much more. 100+ STLs to use at your games. More info in comment. : r/DnD