Another issue is that they're about the same size and shape as Sixlets (http://en.wikipedia.org/wiki/Sixlets http://en.wikipedia.org/wiki/Sixlets). It was actu

Another issue is that they're about the same size and shape as Sixlets (http://en.wikipedia.org/wiki/Sixlets http://en.wikipedia.org/wiki/Sixlets). It was actually mentioned in the Reuters story that one 4yo thought the BuckyBalls looked like chocolates. (http://www.reuters.com/article/2012/07/25/us-usa-buckyballs-idUSBRE86O1LN20120725 http://www.reuters.com/article/2012/07/25/us-usa-buckyballs-...)