DNA or ACI in sandbox

[interfacedy]

Hi I would like to practice DNA and ACI. and I do not know if sandbox provide free environment? Anyone can answer the question? thank you

[marce1000]

                   - FYI : https://dcloud2-rtp.cisco.com/content/demo/439402

 M.

[cjcanno]

As well as dcloud, which Marcee1000 posted below, there's an always on devnet sandbox environment for DNA Center as well: https://developer.cisco.com/site/dnac-101/