The resource you shared is a great starting point for anyone who wishes to learn about the blockchain in an interactive manner.
I would like to share the following educational resources for those who plan to learn more about blockchains:
Blockchain Demo - A step-by-step demo on how the blockchain works
https://blockchaindemo.io/Coin Demo - How the Bitcoin Network works in an intuitive demo
https://coindemo.io/
Please note that I am not the creator of the above resources nor affiliated with them. I hope you enjoy checking them out.