Monday, November 29, 2010

interlocking mechanisms


interlocking square shapes
http://home.hydroxycutblog.com/category/Educational_Toys
http://img2.prosperent.com/images/250x250/media.cymaxstores.com/Images/2124/249225-SM2.jpg
interlocking cogs
http://www.thisnext.com/item/BDB993E1/AC33489D/Oligear-Toys
 
interlocking shapes

magnets
http://www.oliblock.com





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