List component: 5 yellow , 5 green , 5 red and RGB , 1 thermistor, 1pcs tilt switch, 2pcs photoresistor cable, 10 pieces for public use, 30 units with 3 types of resistors, 6pcs button switch, 1 potentiometer (10K), 1 active buzzer, 1 passive buzzer and 1 , 11 1-digit 7-segment displays, 1 water level detection sensor module, 1 sound sensor module soil moisture sensor, 1 obstacle avoidance module, 1 pcs USB data cable, 1 plate piece UNOR3CH340 Color: As Shown Material: ABS Package Contents: 1 x For R3 new maker 400-hole set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.