If you ever had more than one type of toy for building things as a child (LEGO, Tinkertoys, Duplo, etc.), odds are you tried to mix the sets together at some point with creative, though disastrous, results. Apparently the folks at F.A.T. Lab and Sy-Lab had the same experience and have created the Free Universal Construction Kit to solve this childhood dilemma. By downloading free designs and using a 3D printer, you could have your very own pieces to connect ten different brands of building toys to each other and construct even more elaborate contraptions and structures.
Read the full article: Free Universal Construction Kit connects LEGO to K'Nex to Tinkertoy and more