PuzzleMad: The IPP was a great success!
FantasTIC - IPP Design Competition entry – Wood Wonders
IPP Burr - Cubic Dissection – Cubicdissection
A few Exchange Puzzles from IPP34 | Neil's Puzzle Building Blog
Puzzle Design Competition HOME
ZenPuzzler: Where Do Great Puzzle Designs Come From?
Martian Diamond very difficult triangle puzzle for IPP | eBay
IPP Burr puzzle | Brian Young design | Mr Puzzle Australia
5 IPP Puzzles plus one more Lot 8
2018 Design Competition Results
5 IPP Puzzles Packing and Poly shapes Lot 2
Andreas Röver - Puzzles
Puzzles by George W. Hart
Disentangling the Illusive IPP – Kubiya Games
Martian Diamond Acrylic Packing Puzzle By Brian Young IPP39 Exchange Puzzle | eBay
Andreas Röver - Puzzles
Cubemaker (Exchange Puzzle IPP 37)
Puzzle Design Competition HOME
IPP Burr - Cubic Dissection – Cubicdissection
LOT of 4 IPP Puzzles plus one
Solving the Mystery of the Secret International Puzzle Party - Atlas Obscura
Burrliner Kruse | Altekruse plated burr | Mr Puzzle
CSAIL Annual Meeting 2012 Puzzle (Erik Demaine and Martin Demaine)
Puzzle Auction - IPP Puzzles
IPP 32 – Day Two | Neil's Puzzle Building Blog
