Here is a toy you may remember. The object is to move
the rings from the left post to the right post. A larger ring cannot set over
a smaller ring. The rings must end in the same final order.
The image on the left is a photo of the beginning view of the toy. The animation
demonstrates the stacking order. To replay the animation, right-click your
mouse
on the picture
and select the word "play" from the list.
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Copyright © 2004 NICHD Study of Early Child Care and Youth Development