Explore Intro, & Balance Lab, then complete the Game. At least 4 out of 6 stars in all levels = A+ 
                                                                                                5 out of 6 stars for all levels = A++
                                                                                              6 out of 6 stars for all levels = A+++

1. Conveyor belt (get it as slow as the "minute" HAND)-->
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How to set up NXT.

2. Race Car