| Astro-logix | | Create complex and beautiful fractal stars and 3D geometric shapes. |
| Atollo | | Flexible models, from articulated figures to geometric space structures. |
| Gridblox | | Cubical wooden blocks with notched corners that interlock by gravity. |
| Kapla USA | | Wooden construction blocks from France, with a long thin shape, and books with suggested projects. Provides photo gallery of museum exhibits, and workshop information. |
| Link-Kit | | Also known as Omagles, a building toy to create an unlimited variety of child-size toys for climbing, riding or pretending. |
| Lumiere Link | | Building toy is transparent and free-form. Illinois, USA. [order online or by fax, phone or mail] |
| 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. |
| Wedgits | | Wedge shaped building blocks construction set. Includes design ideas and worldwide list of dealers. |
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