Legos! Tools are hard to buy, you get tools for a purpose and buy them through out your life. There are 3 types, woodworking, mechanical, and, metal working tools (body, sheet metal, machinists). A lot of tools cross over to other types. If he doesn't have vice grips, you can never have enough. I've got at least 18 drills. If he does maintenance, a dremel is always appreciated, with accessories. (it's a handheld rotary tool, it can cut grind drill and polish) (i have 5) They are on sale on amazon too. A soldering iron could be helpful too. I have that one, but never used it, I use my weller most of the time, it is super fast to heat up. They make a bigger one too. Accessories for the drill are good, it's useless unless you have things to put in it. I just got this bosch kit for my kid, I got him a drill for xmas, it's killer kit. It's expensive, I paid $14 for mine, I've been waiting for it to go on sale and gave up. BTW, amazon has 25 off 100 on bosch tools, they are expensive. That goes for most tools, but you get what you pay for, I have tools 50 years old still in service. I'm a master mechanic, all body areas, welder, and I build theatrical sets. I have a lot of tools!

This is the link to irwin tools, they make vice grip now. Vice grips are locking pliers, they clamp down vs regular pliers that will slip and ruin knuckles in a heart beat. Lowes has a sale on irwin stuff this week. The one hand clamp are great, I have 12 of them, and you get a free edge clamp.