Analyze a LEGO WeDo 2.0 Model – Helicopter

Recently I found an interesting LEGO WeDo 2.0 model on YouTube. It is a giant helicopter model in terms of its size. It uses most of the parts in one LEGO WeDo 2.0 set. What is more amazing is that it uses one single motor to drive three components - the top propeller, the rear …

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Tips and Tricks of Developing Games with Scratch – Use of Clone

Clone functions are used widely when we design Scratch projects. We could use "create clone" to create multiple sprite clones with similar appearance or behaviors. For example, in a star war game, we could use clones to create multiple enemy missiles. In a fish eating game, we could use clones to create a school of …

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