Radica U B Funkeys Green Fallout Computer "buckmasters" Questions

I have a buckmasters deer hunter by radica, it is a hand held game with a TM date of 1998. On the bottom it says batteries: AA x2 but i can not figure out where the batteries are stored to change them

trouble reassembling a daisy buckmaster 840 bb gun. We can not figure out the trigger mechanism in order to fit the side panels back into place. 1) Stack the trigger, seer (long black metal piece) and