The original B Lock By Boaz Feldman – New2Play
Puzzle Auction - IPP Puzzles
2017 Puzzle Design Competition Entries
LOT of 4 IPP Puzzles plus one
IPP21 Burr, Exchange Puzzle from Mr. Puzzle, Brian Young
IPP wooden Burr 14 piece by Brian Young – New2Play
IPP Martian Diamond | George Sicherman | Mr Puzzle
Oak Wood High Difficulty Puzzles Bitten Biscuits - Etsy
Puzzle Auction - IPP Puzzles
IPP 29 Puzzle Lot - Revised
Pavel's Puzzle Blog: International Puzzle Party (IPP) Archives
IPP anti Slide puzzle | Very unusual goal | Mr Puzzle
Circelei IPP26 Exchange Puzzle by Henrik Haak
Andreas Röver - Puzzles
5 IPP Puzzles plus one more Lot 8
IPP38 Puzzle Exchange in San Diego, California, USA - 11th Aug 2018
Solving the Mystery of the Secret International Puzzle Party - Atlas Obscura
2016 Design Competition Results
LOT of 4 IPP Puzzles plus one
PuzzleMad: The IPP was a great success!
Plus! Puzzle! Burr Puzzle Edi Nagata IPP 30 Exchange Puzzle 🧩 | eBay
Jerry's Mechanical Puzzle & Brain Teaser Collection: IPP33 Exchange Puzzles
Very difficult 3 piece packing puzzle | IPP | Mr Puzzle
