Basic bot build instructions found on Firstinspires.org site
REV's Youtube channel has lots of great video guides an building concepts
REV Class Bot - link
2017 - Vertical Pushbot Build guide (uses REV Expansion and Phone) - link
2017 - Horizontal Pushbot Build guide (uses REV Expansion and Phone) - link
Below are some additional resources I've found.Â
Mecanum Drive Train
Linear Slide options
More resources:
MGN Linear Guide
GMZero
Misumi slides SRY2740
REV Linear Motion