Joe, why not take a simple drum track from one of BiaB's styles, save either wavs or MP3s of it at various tempos and have the children clap to the beat? Or buy some inexpensive tambourines for them to use:

https://www.dhgate.com/wholesale/tambourines+kids.html


My boss calls me "the computer".
Nothing to do with intelligence. I go to sleep if left unattended for 15 minutes.

64 bit Win 10 Pro, the latest BiaB/RB, Roland Octa-Capture audio interface, a ton of software/hardware