How about becoming team mates with your child?
This is possible in the model making studio. 
Working together with your child, you can have a plastic or wooden model of your choice (a car, boat, helicopter, air plane) and do the mounting collectively.
Note: You will not be working with toys but smaller size of real objects.

Did you know?

The famous Wakefield model in the history of Model Air Planes is called the “Jaguar” model and is made and flown by Ted Evans.