Bugaboo Bee - How to replace the rear wheel bearings

if you have any questions, please post below and I will try my best to answer. Edit: One of the wheels was put on the wrong way round. Please ensure the side with lots of gaps is facing in (its the part where the locking mechanism goes into) The bearings I bought are these ones: https://www.ebay.com/itm/8-Skateboard... This was filmed on my phone, so not the best quality, sorry.