Laser and chalk dust

6A02.35 | C-2, Dn2
Catalog: 
6A02.35
Location: 
C-2, Dn2
Room: 
PS F175
Quantity: 
1
Description: 

Beat two erasers together to generate chalk dust through which a laser beam is passed.

Parts: 

Laser (C-2), Erasers (Dn2)