This is a really cool project to make with your kids. There are instructions for making a car and even a modified paddleboat. I couldn’t agree more about this statement from the website.

We live in a world dominated by machines. If something is not a machine, like a motor car, a refrigerator or a sewing machine, then it is something that is made and processed by a mechanical device, like the clothes we wear and the food we eat. Mechanical Science and Technology is thus important. Exposure to it, at school and at home, is vital for all young people as part of their education and the appreciation of the world around them.

Make your own – Micro steam car

Related:

How to make a steam powered moped