If you’re looking to get some of the coolest wheels available on the market today, then go check out the Rotacaster Omniwheels. They’re currently having a sale on their website with a 15% discount. You can find their shop site here: [LINK]. Use the discount code: RoboticsXmas to get the 15% off. The sale ends December 19, so don’t delay too long.
These are the wheels that I used to create the LEGO Wheelchair and the LEGO ATV. They rock!