Astro-logix - - Create complex and beautiful fractal stars and 3D geometric shapes.
The Construction Site - - A large variety of construction toys including brand names such as t.c. timber, K'nex, Lincoln Logs, Tinkertoy and Exin Castles.
Gridblox - - Cubical wooden blocks with notched corners that interlock by gravity.
Wedgits - - Wedge shaped building blocks construction set. Includes design ideas and worldwide list of dealers.
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