Feeling happy or grumpy? The battery-powered kit "mood barometer Smiley" reveals it to everyone. The Smiley either laughs or sulks depending on how it is wired.
The kit, consisting of over 30 parts, is ideal for a "first soldering" project. The Smiley runs on a 9 volt battery, which is not included. The supplied plywood front panel can be decorated as desired. Dimensions: 80 x 80 x 50 mm, over 30 parts.