So my parents were cleaning the house today and, they found an old clunky rectangular with that little notch on right side game boy cartridge. The original gold version to be exact. The cartridge is pretty beat up and I had to bend it back into shape for it to work again. The internal battery is shot though doesn't save. Any chance I can get the special screwdriver to open the cart up, and replace the battery or even the shell itself? and if that's possible what kind of battery does it take and what kind of screw driver do I need to open those GB and GBC carts? Oh and where could I find these things to buy maybe?