Hackaday (unofficial) June 13, 2022 12:00pm The Secrets of the Pop Pop Boat #classichacks #heatengine #pop #poppopboat #steam #stevemould #hackaday posted by pod_feeder_v2 The Secrets Of The Pop Pop Boat Many kids get an early introduction to mechanics with tin pop-pop boats. If you haven’t played with one – you’re missing out! Pop Pop boats are fun toys – but how they work …