You can access Cisco Dcloud and search for Meraki, there you can access some labs.
To do this you need to have an account created with Cisco.
https://dcloud2-sjc.cisco.com/content/catalogue?search=meraki&screenCommand=openSearchScreen
I am not a Cisco employee. My suggestions are based on documentation of Meraki best practices and day-to-day experience.
Please, if this post was useful, leave your kudos and mark it as solved.
