bids are invited for prototypeboffin master blix , 3d pen , gear box , amusement park , rack and pinion , junior kit , discovering motion kit , e circuit kit , mechanic kit zero , mechanic kit junior , mechanic kit senior , mechanic kit advacne , humaniod robot -leo , power screw , paper circuit kit , robotic kit , robotic advance kit , big drone , neuroscience kit basic , 4 wheel robotics kit , otto bot , aa battery , aaa battery , servo shield for nano , coin cell , copper tape , 37 in 1 sensor kit , usb atob , filament , resistor kit , capacitor kit , position servo angle based metal gear , small servo metal gear , continuous metal gear servo 360 , small servo plastic gear , l298n motor driver , servo motor tester , power bank , sound sensor module , ir sensors array , 5v 10a 2 channel relay module , 5v 10a 1 channel relay module , ultrasonic sensor , ir sensor , pulse rate heart sensor , lm 555 timer ic , dc motor , training and support total quantity : 3030