If they were studying trains that would be the focus of their construction time. Construction took place in patios adjoining the classroom. Tools and wood was kept in the outside cabinets.
Once the vehicles were made students put them into a city where they would "play." A certain amount of time went into play each day. Students acted as train conductors, engineers, postal workers, ship captains etc. Problems were solved regarding the community both interpersonal and civic.
The following items were collected by Kent Gardiner over his 39 years at UES aka UCLA Lab School: