Foam Factory

https://www.youtube.com/watch?v=xqQMmRISnHc

Specially designed for high-volume throughput facilities, Foam Factory® is a shoes-on, open play attraction with interactive blasters, vacuums, and cannons that propel, throw and dump thousands of foam balls.

The ORIGINAL, interactive theme park attraction, the Foam Factory® is fun built for the entire family. This no-queue attraction permits guests to enter into an experience where they become part of the action. With activities ranging from automatic ball blasters to filling up a tipping bucket with hundreds of balls, there is always something for everyone to do in the Foam Factory®.

https://www.whitewaterattractions.com/foam_factory.html