Learning and prototyping are key uses. Both scenarios are not about end products, but can lead to great outcomes in the future. Especially if the users are young people that end up building things like satellites that can warn you about upcoming hurricane or pinpoint your location on the GPS smartphone map and other great inventions of humanity.

The software world metaphor: It is like your first programming manual that has examples and maybe even projects - they are not to be 'used' but 'learnt' from.