Author Archives: mathwizard

Trick or Treat

Shay and Garrett are back to Dr. E Mindstrom Challenges with Trick or Treat robot. The robot has a basket for candy, walks around from house to house, knocks on the door, says “Trick or Treat”, shakes its basket, then politely says “Thank you” and “Good Bye”, then goes to the next house.  THere are […]

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