There are numerous tasks – Puzzles, Activities and Lesson Plans available. You can filter as you see here by resource type.
Have a look at Multiplication by Heart.
The tutorial video is very clear on how this resource can be used with spaced repetition, there is also, very usefully a Shuffle mode for simple practice.
Choose the Settings and Instructions icon for a summary of the resource and access shuffle mode to practice with a random subset from all decks at once. You can also jump to a later deck with more difficult questions and different visualisations.
It is possible to embed activities – an experiemnt!