bids are invited for additional items for lab motor model routine quality on wooden base , motor model heavy quality on wooden base , motor cum dynamo ac dc with removeable magnet , motor cum generator model ac dc with removeable magnet , periscope wooden with openable door , battery eliminator 2amp 12 volt dc routine , screw gauge 25mm ss rod , vernier caliper ss in plastic box , traffic light signal model , fire extinguisher model , wind dynamo model , good bad conductor circuit board , hydro power model plastic if it is thermal power model is also required , solar fan wooden box , heating effect of current , rain alarm model with mounting , burglar alarm model , fire alarm model , step down transformer mt120212 volt ac 1amp , mt170 pn junction diode on board , mt171 zener diode on board , mt172 pnpnpn transistor on board , mt240 resistance series parallel apps , mt241 ohms law apps with power supply , rheostat 03 amp to 18 amp 6 , resistor kit , variable resistor kit 10k50k 100k in smd and in pot 10 each , capacitor kit ceramic capacitor , electrolytic capacitor kit with different value in box , dc plastic gear motor with wheel , alligator connector , led red , led green , led yellow , led white , led blue , bio medical blood group determination kit , agritech kit soil testing kit , soldering kit , digital multi meter , analog multi meter , voltmeter , ammeter , wattmeter total quantity : 323