Now that your dog has learned the "touch" command and they're comfortable exploring the Hub with the power off, it's time to finally turn it on! When you initially start the Hub, you'll stay close by and encourage your pup to engage by doing some silent target training. Once they get the hang of things, you can slowly back away to watch them play and explore on their own!
Here's a video that demonstrates how to use silent target training when you power up your Hub for the first time: