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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

The Spirit is Willing

Chess Board Puzzle

Kaufmann, Ili (ISR)

Chronos Pakpuzzel

Pyramid ball puzzle

Eureka Narrow Escape

Roger Shaker

Chinatown

Crazy Campers

The missing T

Onbekend

Original Tangram

Dual Tetrahedra

Toulouzas, Michael

Computer puzzle