GY20723 Enclosure
This is an enclosure for "DIY Kit LED Follow Spot Lights LED Light Chaser Game Electronic Soldering Practice Learning Kit", model GY20723. There's a place for a 9V battery. The enclosure makes the kit a self contained toy. The kit is available from Amazon, AliExpress, etc.
In addition to the GY20723 kit, this project requires (4) #2x1/4" sheet metal screws, (3) #2-56 heat set inserts, (3) #2-56x1/4" flat head machine screws, (2) 10mm knobs, (4) switch caps, 9V battery and battery connector.