Peter Gál

Digits
LabySpin
Matchbox Playground
Monge's V-Tricubes
Puzzle Booklet - 2x4 T
Puzzle Booklet - a2 + b2 = c2
Puzzle Booklet - Cornucopia
Puzzle Booklet - Diagonal Tangrams
Puzzle Booklet - Few Tiles
Puzzle Booklet - Five +1 Tiles
Puzzle Booklet - Hexagon to two
Puzzle Booklet - Hexiamond
Puzzle Booklet - Pentomino