LOT of 4 IPP Puzzles plus one
IPP21 Burr, Exchange Puzzle from Mr. Puzzle, Brian Young
Solving the Mystery of the Secret International Puzzle Party - Atlas Obscura
Jerry's Mechanical Puzzle & Brain Teaser Collection: IPP33 Exchange Puzzles
2016 Design Competition Results
Plus! Puzzle! Burr Puzzle Edi Nagata IPP 30 Exchange Puzzle 🧩 | eBay
The Pentagon Tiles. IPP 32 Packing Puzzle by Marcel Gillen Design by René Dawir | eBay
LOT of 4 IPP Puzzles plus one
PuzzleMad: The IPP was a great success!
IPP38 Puzzle Exchange in San Diego, California, USA - 11th Aug 2018
8 x IPP 39 exchange puzzles
Very difficult 3 piece packing puzzle | IPP | Mr Puzzle
Mechanical Puzzles | One Guy in IT
Puzzle Design Competition Archives | JL Puzzles
IPP wooden Burr 14 piece by Brian Young – New2Play
Pavel's Puzzle Blog: International Puzzle Party (IPP) Archives
2017 Puzzle Design Competition Entries
Andreas Röver - Puzzles
Solving the Mystery of the Secret International Puzzle Party - Atlas Obscura
The original B Lock By Boaz Feldman – New2Play
Puzzle Auction - IPP Puzzles
Circelei IPP26 Exchange Puzzle by Henrik Haak
Brian's Damn Puzzle Blog: 2012 New York Puzzle Party (Part 6)
Quintet in F (Exchange Puzzle IPP 31)
