Plenty of motors,
a water pump
150mm EDF and ESC
E-Trex GPS and cables
breadboards
cables
resistors
LEDs
switches
Random IC;s
Kiwipatch boards
BB tank turret
Dead arduino boards, good for practicing your surface mount soldering skills
Flyback transformer out of an old CRT monitor
a lynxmotion biped frame
12v fan with the cable cut off it
bits...
bobs...
and heaps more...