[youtube]http://www.youtube.com/watch?v=5TWueDrIMdw[/youtube]

Pretty soon most of our homes will be built out of Legos

Here is a unique “steam” engine, built out of Legos, powered by a vacuum cleaner. The engine’s top speed is just over 900 RPM. Second video after the jump.

[youtube]http://www.youtube.com/watch?v=Z8ut5ND3agI[/youtube]

Real working V8 engine made from Legos

Here is a real working (electronic) V8 engine made from Lego Technic. This is not a Lego set, but one that was completely designed and build from scratch, taking about 5 months to complete.