In 1920’s, these were a big hit. They were originally called “Putt Putt Steam Boats”, and were fascinating toys for adults and kids alike. We’ll be making our own version that will chug along for hours. This is a classic demonstration for learning about heat, energy, and how to get your kids to take a bath.
Here’s what you need to build your own:
Please login or register to read the rest of this content.
It was from one of our students – fun, isn’t it?
whats that third video i know what its doing but did you do it or did someone else
cool