Puzzlefinder

Full of Tetrominoes

Schagt, Ad van der (NL)

H2O Puzzel

Griffioen, Sjaak (NED)

HCP (3+1/2)

Obsivac Vaclav (CZ)

No Image

Rubik's Clock

C. Wiggs and J.Tayler

Dintzl/Pythagorische broek-1

Novichkova, Irina(Rus)

Iron Heart

the ultimate maze book

Optic house

The Danish Squares

Frank Karrenbeld (NED)

The fantastic world of optical illusions

Seckel, Al (USA)

Colour Code

Burm, Kris (B)

Burred Box

Knoflookpuzzel

Bolzen

Constantin, Jean Claude (D)

Anker The Nine

Sixi