Ideal for anyone wishing to create a boba fett costume. 2 Circuit board in rear of helmet. I have put in a fresh pair of batteries and the calculator is working however the display is very dim.If you have any question please ask. The item "Casio MQ-1 Calculator / Boba Fett parts" is in sale since Sunday, December 13, 2020. This item is in the category "Collectables\Science Fiction Collectables\Star Wars Collectables\Other Star Wars Collectables". The seller is "pachitalk" and is located in Athens. This item can be shipped worldwide.