bids are invited for 1 arduino uno with usb 2 arduino nano with usb 3 rasberry pi 4 solderless 400 pin breadboard 5 solderless 800 pin breadboard 6 general purpose board ( small ) 7 general purpose board ( big ) 8 female berg strip 40 pins 9 male berg strip 40 pins 10 16x2 lcd display 11 usb cables a to b ( 12 inches ) 12 usb cables mini ( 12 inches ) 13 battery hw 9v-12v rechargable 9v battery chargers 2 14 water pump module 15 piezoelectric plate 16 8*8 led matrix module 17 bluetooth 18 7 segment led display ( 4 digit ) 19 gsm 900 20 gps neo 6m 21 laser diode 22 ldr module 23 keypad 24 joy stick 25 active buzzer ( small ) 26 active buzzer ( big ) 27 motor driver ( l293d ) 28 sound playback module 29 bo motor with wheel 30 node mcu / wemos d1 31 wemos d1 r2 32 vibrating motor 33 alligator connectors ( 12 inches ) 34 battery clips with dc jack 35 hookup wires ( red wire 100 mtr ) 36 hookup wires ( black wire100 mtr ) 37 jumper cable: male-male 38 jumper cable: male-female 39 jumper cable: female-female 40 rgb leds 41 leds ( red ) 42 leds ( green ) 43 leds ( blue ) 44 leds ( yellow ) 45 leds ( white ) 46 button switch 47 ultrasonic sensor 48 pir motion detector module 49 pulse rate heart sensor 50 relay module 2-channel 51 relay module 1-channel 52 big sound microphone module 53 flex sensor 54 temperature & humidty sensor 55 force pressure sensor 56 color recognition sensor 57 rfid reader tags 58 sound sensor 59 rf modules tx & rx 315 mhz ask 60 stepper motor with driver board 61 dc motor 12v 150 rpm 62 position servo, angle based metal gear 63 small servo metal gear 64 small servo plastic gear 65 l298p motor driver 66 4 wheel robotics diy kit 67 other potential stem application kit 68 extra hacksaw blades 69 glue sticks 70 sand paper - grit - 120 71 sand paper - grit - 200 72 sand paper - grit - 300 73 power strip adaptors 74 bulb holders 75 mechanical construction kit 76 drone 77 aerospace kit 78 automobile kit 79 bio medical kit 80 agritech kt 81 water sainitation kit 82 bio tech kit 83 usb to dc jack cable 84 filament for 3d printer total quantity : 1