Socket set (metric, and perhaps imperial for older stuff) - 3/8” drive, plus smaller 1/4” drive for smaller stuff.
Screwdriver set (flat blade, Philips & Pozidrive)
Precision screwdriver set
Torx, Allen & Security bit sets
Electrical pliers and cutters
Cordless drill & appropriate drill bits
Bench power suppl(y/ies)
Selection of saws (hacksaws - junior and full size, coping saw, stuff like that)
Selection of hammers (small → large)
Tin snips
Tip cleaner (for soldering iron)
Fume extractor (for soldering) - can home-make these.
Hot glue guns