My favorite thing was the ball machine with all of the contraptions. To use it, you turn a crank. The crank lets out a ball. The ball travels down a track and chooses which way to go. The balls run into instruments that make noise, and bounce off things too. There were special balls that were silver. They were heavier than the other balls, so they had a weight sensitive platform that they opened. This allowed them to go on different tracks than the other balls.
There was also a robotic jump rope. It counted the number of kilo Jules you burned with each jump. Kilo Jules measure energy. Daddy burned way more than I did each jump.
Bye!
Justin :)



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