Theres a mouse trap with a spring on Page 25.
One is on a pencil!
On bottom of page 19
It is on the camel stamp on the left page
They are the hotdog buns on the two forks in the middle of the page.
I think it is on the side of the can on the bottom right hand page.
It is a red lunch box on page 31, near a camel.
The snail is right by Harry's Test. It's the shell next to it.
In the bottom left corner on top of the musical scale and the scissors.
top left corner of page 14
The rabbit is a shadow under the giant green grasshopper.
The snail is by the rabbit and the book with WHAT HARRY FOUND OUT.