This is a very inexpensive and very fun, cool, and just awesome build so lets see what we will need to become Tony Stark A.K.A Iron Man
Step 1: Getting the Main Body Built
First acquire these 2 parts out of and old or new stepper motor(can be found in old VHS players).(first photo).
Then drill the seven holes you will see in the second photo.
Then proceed to gluing the two pieces together.(Third photo).