This might work:

https://smile.amazon.com/dp/B07CTF8Q45/?coliid=I3Q4H7FY01O7TB&colid=EAHHZJ42JRH3&psc=0&ref_=lv_ov_lig_dp_it

I bought one of these:

https://www.ebay.com/itm/VINTAGE-GOING-TO-GRANDMAS-RED-HARD-SHELL-CHILDS-SUITCASE-LUGGAGE-13-x-9-x5/124148533175?hash=item1ce7d447b7:g:1MIAAOSwlcxekBu1

With some of these to hold accessories:

https://smile.amazon.com/dp/B07P9YNX19/?coliid=I3C3A5OT9EGPKS&colid=EAHHZJ42JRH3&psc=1&ref_=lv_ov_lig_dp_it

I don't gig tho, it's just for storage between sessions. I wouldn't trust it for taking out of the house.