Petri dishes are ready! Time to collect nasty samples.
Family computer keyboard.
Grover is lightly rubbing the swab across the surface in a zigzag pattern, so that all of the creatures on it have a chance to rub off onto the petri dish.
Eewh! Next we did the toilet seat.
*Swab-swab* That's a good boy Mr. Holbert!
Rub off creatures.
Plug your nose! William's stinky man feet!
A week later...
Very interesting results!
