10. Lego iPod Case

This interesting BrixPod Classic iPod Shuffle case gives your
Shuffle the appearance of a full-sized iPod made of Lego
bricks.
9. Han Solo Frozen in Carbonite

Nathan Sawaya used over 10,000 Lego pieces and spent 3 months
making this Han Solo in Carbonite masterpiece.
8. Lego Volvo XC90

Built by Lego Master Model Builders, this Volvo XC90 is the
official car of Legoland California.
7. Lego NES Case

If Nintendo came out with a Lego NES case, this would be it.
Everything is 100% Lego - power/reset buttons, controller ports,
LED light cover, and even the vents up top.
6. Lego Harpsicord

This Harpsichord was constructed entirely from Lego parts (over
100,000!), including keyboard, jacks, jack rack, jack rail,
plectra, soundboard, bridge, hitch pins, tuning pins, wrestplank,
nut, case, legs, lid, lid stick, and music stand. It has a range of
61 notes and weighs 150 lb.
5. Lego Pinhole Camera

This person took a Polaroid 95a, stripped it down, and than
reassembled the camera with all Lego parts. Like a real mechanical
35mm camera, it includes a manual crank which takes 23 clicks to
advance one frame.
4. Lego Knitting Machine

Rarely do we come accross something so interesting yet odd, take a
look at this fully functional knitting machine made entirely out of
Lego pieces.
3. Lego Difference Engine

One of the most imaginative Lego creations ever. Made by Andy
Carroll, this difference engine is able to solve mathematical
problems (2nd/3rd-order polynomials) and calculate the answers to 3
or 4 digits.
2. Lego Air Conditioner

Behold, a functional Lego replica of Carriers latest air
conditioner, complete with valves, compressor, and working
fan.
1. Lego Pinball Machine

Created by Lego fanatics Gerrit Bronsveld and Martijn Boogaarts of
the Netherlands, this fully functional pinball machine was made
using over 20,000 of these colorful blocks. The Lego Pinball
Machine features an operational coin slot, rotation bumpers, auto
kickback, 5-digit mechanical display (for points), 13 RCX
Mindstorms computers, and even a ramp.
(source: TechEBlog)