Quintet in F (Exchange Puzzle IPP 31)
Solving the Mystery of the Secret International Puzzle Party - Atlas Obscura
Plus! Puzzle! Burr Puzzle Edi Nagata IPP 30 Exchange Puzzle 🧩 | eBay
The original B Lock By Boaz Feldman – New2Play
Plus! Puzzle! Burr Puzzle Edi Nagata IPP 30 Exchange Puzzle 🧩 | eBay
FantasTIC - IPP Design Competition entry – Wood Wonders
5 IPP Exchange Puzzle, 2000-2002
Puzzle Auction - IPP Puzzles
2016 Design Competition Results
5 IPP Puzzles plus one more Lot 8
Andreas Röver - Puzzles
IPP Martian Diamond | George Sicherman | Mr Puzzle
IPP Martian Diamond | George Sicherman | Mr Puzzle
Neil's Puzzle Building Blog | The journey from puzzler to puzzle creator. | Page 2
LOT of 4 IPP Puzzles plus one
Brian's Damn Puzzle Blog: 2012 New York Puzzle Party (Part 6)
Andreas Röver - Puzzles
Puzzle Auction - IPP Puzzles
PuzzleMad: The IPP was a great success!
Circelei IPP26 Exchange Puzzle by Henrik Haak
Very difficult 3 piece packing puzzle | IPP | Mr Puzzle
The Pentagon Tiles. IPP 32 Packing Puzzle by Marcel Gillen Design by René Dawir | eBay
IPP21 Burr, Exchange Puzzle from Mr. Puzzle, Brian Young
Pavel's Puzzle Blog: International Puzzle Party (IPP) Archives
IPP anti Slide puzzle | Very unusual goal | Mr Puzzle
5 IPP Puzzles Packing and Poly shapes Lot 2
Mechanical Puzzles | One Guy in IT
CSAIL Annual Meeting 2012 Puzzle (Erik Demaine and Martin Demaine)
