Marble Day classes
The three regular classes on Marble Day: Marble-Run Building, Marble-Polishing-Machine Building, and Physics.
One of these is not like the others, but marbles are physics, so it works out.
Appears in Book 9
First seen in Book 9, page 55
First seen in Book 9, page 55
Research
entry sources b09:c02:p055
subject string shown verbatim Marble Day classes
Straight from the books
Facts
in_world_system (1)
The three regular classes on Marble Day are: Marble-Run Building, Marble-Polishing-Machine Building, and Physics.
The three regular classes will be: * Marble-Run Building * Marble-Polishing-Machine Building * Physics b09:c02:p055