Bulbs !! Some of the kits have one or more bulbs attached to the baseboard. Typically these are 3.5v, 200mA MES bulbs, usually coloured red, but I’ve seen kits with green and yellow bulbs as well. Replacements are available to purchase and if you’re only after one, then this may be a sensible way to…

Just a very quick update. I found a lovely crystal radio kit on Ebay that needed some attention. Some bits were missing and the connection springs were all corroded. The good news with this kit was that the main components seemed fine and the corrosion hadn’t yet spread to the component leads. It also came…

I’ve been really busy this week with work related projects, but I still found 15 minutes or so to start cleaning some bits of old chemistry set glassware, starting with the test tubes. Don’t you hate people that get toast crumbs in the butter? Well, the same things happen with old chemistry sets. The chemicals…