If you are supplying thousands of devices to an org the first thing you should do is verify the supply chain / your infosec around the ordering process and then disassemble some when they arrive. All it requires is a screwdriver and a spudger at most. Personally, I would have been looking out for recording devices or GPS devices, but you would also discover the bomb material if you did this.
“Israel” is a terrorist state and always has been. As an occupier, the resistance has the right to oppose it by all means deemed necessary.