Which of the following block can help you with setting up a timer?

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People can easily start coding on the wrong sprite! So look before you start coding.

If you want to start coding on the bat, which one is a correct start?

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Which of the following can help run a countdown timer smoothly?

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Which of the following allow the timer to start when backdrop switches to Maze?

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Which of the following is for creating a button that help switched to the next backdrop?

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Which of the following is correct when setting arrow keys to help move the correct directions?

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To make sure the sprite cannot go through all 3 colours when moving left, the code should be

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Which of the following codes help collect items and obtaining points?

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想要讓角色持續跟著鼠標移動，下列哪一組程式「錯誤」？

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設計一個計時器，要從 10 秒倒數到 0 停止，下列何者正確？

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