Features: 1. Easy To Use2. Contains A Lot Of Sensors3. Variable Development Board4. Packed In A Plastic Box For Easy Storage, It Is Easy To Organize And Store Your Components, Making Your Work Space Neat And Orderly.5. Easy To CarryDescription:Set: BStyle: 400Hole Breadboard Set(With for Motherboard)Type: Suitable For R3 Development BoardMaterial: Plastic+PCB+Metalcolour: As shownPackage Contents:5 x Yellow Led5 x Green Led5 x Red Led1 x Rgb Led1 x Thermistor1 x Tilt Switch2 x Photoresistor10 x Cable Male To Male30 x Unit 3 Kind Of Resistor6 x Button Switches1 x Potentiometer (10k)1 x Active Buzzer1 x Passive Buzzer1 x 1 x 1Digit 7Segment Display1 x Water Level Detection Sensor Module1 x Sound Sensor Module1 x Soil Moisture Sensor1 x Obstacle Avoidance Module1 x Usb Data Cable1 x Plate1 x for MotherboardOnly 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 +/ 13cm.