Hint 1 : It's on page 8.
Hint 2 : The octagon is red.
Hint 3 : It comes in the form of a roadsign.
The cat is riding a yellow bike at the top of the page
on the photos towards the bottom left of page 22
It's a rooster spur! Look for the white rooster inside the clear marble.
There are many HEV configurations and design options that can be grouped in three categories: series (range-extending HEVs), parallel (power assist HEVs), and dual-mode HEVs.
The 26th page.
It's the stop sign on the left page. I just looked it up because I was stuck on it too.
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.
Theres a mouse trap with a spring on Page 25.
I think it is on the side of the can on the bottom right hand page.
On page 16 of I Spy Extreme Challenger, the bell is located on the bottom left corner. On page 17, the bell is on the bottom right corner.
It's in the crown on page 26
The ace in the "You Spy Extreme Challenger" game is located under the magnifying glass on the right side of the card. It is hidden within the design of the magnifying glass.
its behind the elephant on page 25
The camera is sort of by the hammer. It's by the paints.
in the blue ball next to the bump sign on page nine near the bottom
On a small tile with horse on right edge of pg