He also came up with FischerTechnik, which is a superb building-block system far sturdier than Lego.<p><a href="http:&#x2F;&#x2F;www.fischertechnik.de&#x2F;en&#x2F;Home.aspx" rel="nofollow">http:&#x2F;&#x2F;www.fischertechnik.de&#x2F;en&#x2F;Home.aspx</a><p>Had a lot of fun with this in my childhood.