0:41 VEX IQ Crossover. Task. Grab a hex ball with our attachment and with your attachment #529 28 May 2017
1:30 VEX IQ Crossover. The math behind grabbing a hex ball with levers attached to gear wheels. #533 09 Jun 2017
5:27 VEX IQ Crossover. Synchronizing gear wheels with the second part of the attachment #545 27 Jul 2017
2:27 VEX IQ Crossover. Teacher's Note. Attachment for grabbing, built with gear wheels and belts #554 23 Aug 2017
