"Technical projects" is a very broad term used to include a variety of "engineering sort of" projects I have done over the years. This includes projects such as building longbows, crossbows and a trebuchet when I was doing historical recreation, woodworking, metalworking and glass projects, and a couple of modified remote-controlled items. These days this includes a broad selection of modified "nerf" blasters.

R/C Teapot Racer

Foam Dart Blasters

'Busted' Mythbusters sign

'Mini' Trebuchet

Longbows