Solder: Time was a perfect father-daughter project: my 8-year-old assembled the components and I soldered. Afterwards, she had a chunky blue wristwatch that her cousin admired longingly, so we made another one for her. Now their friends are asking for them. I think we’ve started a trend!

Mark Frauenfelder

Mark Frauenfelder

Mark Frauenfelder is the editor-in-chief of Make magazine, and the founder of the popular Boing Boing blog.