Here I am again with another idea...
Could this be the way the weights are connected which the toys page represent?
The pair on the left would not be in that position though, the small one would of fallen down taking the big one into the centre...
(https://overunityarchives.com/proxy.php?request=http%3A%2F%2Fi34.tinypic.com%2F2chb58k.jpg&hash=7f77ca4914fd2d34f6b75abec63ad612753c3c00)