5 * 9V PP3 Battery Project Box Enclosure Holder ON/OFF Switch with Wires UK - £12.99 | PicClick UK
40-12-9V-R-BL,Box Enclosures PACK of 3, DIY Enclosure, Hand Held, Plastic Project Box, 3.8 x 2.4 x 1.0", 9V Battery, Recessed Top Surface, Black- Buy Online in Bermuda at bermuda.desertcart.com. ProductId : 157204182.
Pocket Box Large - Takes 2AA or 1 9V batteries , 9-volt batt. - Box Enclosures: