WRO 2023 Junior (B2), a stable solution idea to get max score. 

mr pp its you????????🤑🤑🤑🤑🤑🤑🤑🤑🤑🤑🤑🤑

It is for missions explains only. I have another video which has robot completed missions in two minutes.

Me too,please?

This not ev3 the name of this spike , sorry my English not so good

I don't use black and white color discrimination. I use the light reflection feature. the light reflectance level of the black cube is between 13-25%, white one is bigger

Thanks

We use Spike Prime kit only...