Appropriate grades or age groups:
10-12

Estimated time to complete this project:
1 month

Materials:
Legos, stepper motors, pc interface, visual basic.

Instructions:
Make a electronic writing system controlled by the computer. The computer sends electric signals from the parallel port to the interface and the interface to the motors, to move bars that hold a pen and write whatever you want on a page!

Other comments or suggestions:
I won first place out of all my school.