Difficulty cancelling subscriptions.

I have made two separate subscription purchases - one for a 12-year-old grandson and the other 2 for twin 9-year-old grandaughters. I cancelled the subscription immediately for my grandson with no problem after the first box arrived. For the twins I purchased the creative labs. One really enjoyed it and one had no interest There are currently 3 unopened boxes. I did not receive an email on the upcoming subscription renewal. I did receive an email that it was renewed. That day I attempted to cancel. No can do. Attempted to call. No one ever answers. Started a chat. It’s all AI. I have been attempting now with emails for the last 4 days. Still all AI. A.I. has stated in all responses that this is being escalated. Still AI. So if your child enjoys the boxes and distant just build and set it aside, it all good. BUT - cancel way ahead and if you need help good luck. Also, there is no tracking ID available and McAfee issues a warning on the website.