Kiddicraft was infact a variant of Minibrix[1]. None of these were &quot;big-bang&quot; inventions but rather a series of iterations that resulted in the bricks we have now.<p>[1] <a href="http:&#x2F;&#x2F;www.powerhousemuseum.com&#x2F;collection&#x2F;database&#x2F;?irn=108980" rel="nofollow">http:&#x2F;&#x2F;www.powerhousemuseum.com&#x2F;collection&#x2F;database&#x2F;?irn=108...</a>