EF08239, 20 IN 1 micro:bit Wonder Building Kit(Without micro:bit board)

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The EF08239 is a kit based around the Micro:bit that comes with all sorts of components and pieces to build any of the 20 designs provided, but don't let this fool you. The components can be arranged in practically any way you want for whatever ideas you have. The sky is the limit!

Micro:bit Wonder Building Kit focuses on the bricks expansions with 20 projects available in our WIKI, and it gives you more chances to create more projects. Packed with different electronic sensors such as the line-following sensor, the Sonar:bit and the Water level sensor, they enrich the projects with more challenge and fun.


  • Sensors: Water level sensor, line-following sensor, Sonar:bit
  • Bricks: Over 400pcs
  • Controllers: micro:bit & Wukong expansion board
  • Communication: USB port
  • Size: 250 x 190 x 100mm
  • Weight: 1150g
  • Motor drive: 2 ways(M1, M2)
  • Servo drive: 8 ways(S0~S7)
  • Projects: 20 projects are provided

Wukong Expansion Board

Wukong is a highly integrated breakout board with multiple functions based on micro:bit, which has a similar size with the micro:bit with buzzer, servo and motor drivers onboard

  • Tiny shape with high integration
  • Standard Lego bricks connection
  • Most of the IO ports led out in GVS form
  • Standalone IIC pots, available for OLED and BME280.
  • Integrated buzzer and switch
  • Integrated motor-drive circuit
  • Integrated servo-drive circuit
  • Support 5V sensors
  • Built-in 400mAh Li-ion battery pack, onboard power controlling system, four LEDs indicate the power storage
  • Support fast charge

Wukong Expansion Board (Parameters)

Parameter Detail Instruction Note
Item No. EF08207 SKU -
Size 40.00 X 58.12 X 24.53 mm Including Lego baseboard without micro:bit Manual measure, size in kind prevail
Weight 41.6g Including Lego baseboard and the battery Manual measure, weight in kind prevail
Power Switch Click to turn on, double to turn off Four LEDs indicate the power storage, support fast charge Power supply by the USB connection onboard is supported
Battery 400mAh Li-ion battery pack 20 minutes for completing the charge that can operate for more than 40 minutes a time Anti-explosion
Working Voltage 3.7v~5v Li-ion battery pack 3.7v,USB 5v -
Working Temperature -20℃~60℃ Charge temperature 0℃~40℃ -
Motor Drive Dual (M1,M2) Motor drive circuit onboard -
Servo Drive Eight ways servo connection (S0~S7) Servo drive circuit onboard -
IO Port Lead Out P0、P1、P2、P8、P12、P13、P14、P15、IIC Support 3V&5V modules GVS
Rainbow LED LED0、LED1、LED2、LED3 Available for RainbowLED database Connect to micro:bit P16 port
Buzzer Passive buzzer with a switch on board Available for music database Connect to micro:bit P0 port
LED 8 LEDs can be programmed on the base side Light on, twinkle, breathing light The LED twinkles when power on

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