A 14 pound (6.5Kg) heavy duty LEGO NXT SAFE with 6.6 Gallon (30 Liter) storage space inside. The code lock accepts 5 numbers by changing the rotation direction of the wheel. Only after entering the correct combination of numbers, the door will open.
Lego NXT - THE ULTIMATE SAFE
Lego lovers continue to amaze me with different creations.