#5 - UNIMOG NXTification by Anikahttp://thenxtstep.blogspot.com/2011/08/unimog-nxtification-by-anika.html
#4 - CubeStormer II: A NXT machine that solves a Rubik's Cube faster than any humanhttp://thenxtstep.blogspot.com/2011/10/nxt-machine-that-solvesa-rubiks-cube.html
#3 - MindCuber: Build a Rubik's Cube Solver with a single NXT 2.0 set!http://thenxtstep.blogspot.com/2011/11/mindcuber-build-rubiks-cube-solver-with.html
#2 - LEGO® MINDSTORMS digital clockhttp://thenxtstep.blogspot.com/2011/10/lego-mindstorms-digital-clock.html
And the most popular creation (with double the pageviews of #2) goes to....
#1 - Amazing Mindstorms 3D printerhttp://thenxtstep.blogspot.com/2011/08/amazing-mindstorms-3d-printer.html
Which was your favourite? Let us know in the comments!