4:13 VEX IQ Crossover. Teacher Note. Competition for grabbing, moving and placing objects #544 23 Jul 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