What big drawers you have Grandma. Having read the lists above, in our house those contents are spread across about 4 drawers.
The drawer we call the 'useful' drawer (after the the great big useful box on Play school!) contains
alan keys
2 sets of really small screw drivers, chisel and phillips head
String
Multimeter
Tiny glass bottles and plastic bags, suitable for samples
Tubes of various types of adhesive
Spare bits for appliances, not sure which
Torch
Metal tape measures, DIY for the use of
Stanley knife blades
Oil lamp wicks
Ultrasonic distance measurer
Black and Decker drill keys
In fact all the things DH wants to hand when he wants to do a fiddly little bit of making/doing . The Dremel is too big for the drawer so lives wherever he had it last - and that always causes problems.