$800 to $900

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Barrier 自動電閘 @STEM II 12 models

single micro:bit model from pack

  Barriers are located in front of many...

Sliding Door 自動門 @STEM II 12 models

single micro:bit model from pack

  A sliding door consists of one or...

Washing Machine 洗衣機 @STEM II 12 models

single micro:bit model from pack

  The most widespread design is the drum washing machine, in...