1、Multifunctional: This mainboard coding and programming set supports for micro:bit graphics programming and for python programming, which is suitable for teenagers to learn and develop. 2、Rich Expansion Interface: This electronic production kit provides rich expansion interface, you can connect a variety of modules, which can easily achieve a variety of DIY innovative projects. 3、Good Compatibility: This development board starter kit has a good compatibility and is compatible with a variety of sensors and modules for more innovative applications and functions. 4、Excellent ABS Plastic: This development board kit is made of excellent ABS plastic material, which is sturdy and abrasion resistant, not easy to be damaged, with strong stability and durability. 5、Wide Application: This ABS development board basic learning kit has a wide range of applications and can be used for programming, teaching, DIY creation projects and so on. 1 x Raindrop Sensor1 x IO Expansion Board1 x Soil Temperature and Humidity Monitor2 x Temperature Sensor Modules1 x Relay1 x Water Pump1 x Water Hose1 x Breadboard20 x Female to Male Jump Wires31 x Breadboard Jump Wires1 x Plastic Box1 x Screwdriver1 x Battery Case3 x Female to Female Jump Wires Item Type: Development BoardMaterial: ABS PlasticBattery Box: Battery: 1.5V AA Battery x 4 (Not Included)