Now, what's not a truck, not tot. , and not a dwarf ? And she's not ticking us this time ;-)

This riddle is actually pretty cool. The solve it pretty straightforward, and once you've found it you'll know it makes sense.

Still took an hour before the first was in.

not a truck => car

not a tot.(al)=> diff.(erence)

not a dwarf => giant

https://en.wikipedia.org/wiki/Cardiff_Giant
 

Solution leads to