Here's a variation on a common blocking drill. The twist is a curious one, and there are a couple adjustments I would make.

Here's a simple drill that can work well on MB developing good eye work in their block - and also for Setters going against them.

A few blocking strategy ideas from Italian coach Davide Mazzanti that he shared during one of his sessions at the 2019 AVCA Convention.

Here's an example of how you can use video to dramatically improve blocking drills when training your blockers in real game situations isn't an option.

The ball-setter-ball-hitter visual cue progression for volleyball blockers allows them to properly position and time their blocks.