Feature: 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. Specification: Item Type: Development Board Material: ABS Plastic Battery Box: Battery: 1.5V AA Battery x 4 (Not Included). Package List: 1 x Raindrop Sensor 1 x IO Expansion Board 1 x Soil Temperature and Humidity Monitor 2 x Temperature Sensor Modules 1 x Relay 1 x Water Pump 1 x Water Hose 1 x Breadboard 20 x Female to Male Jump Wires 31 x Breadboard Jump Wires 1 x Plastic Box 1 x Screwdriver 1 x Battery Case 3 x Female to Female Jump Wires