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.
thirteen number nines
The cat is riding a yellow bike at the top of the page
On the big stool on page 22. It's on the red dot thing. It is black.
It's a rooster spur! Look for the white rooster inside the clear marble.
Hint 1 : It's on page 8. Hint 2 : The octagon is red. Hint 3 : It comes in the form of a roadsign.
in the blue ball next to the bump sign on page nine near the bottom
A mouse can be seen on page 17 on the badminton racquet.
Above the blue sunglasses on the left page
one of them is in page 22 and the other one i think it's in page 23
on the blue playing card near the bottom
Blue mouse on van near center of pages
The big yellow ladybug under the starfish on page 9. A ladybug is a beetle.
well i think it is at the bottom of the page on page 19 that red thing in the bottom is the stamp
on the upper right hand corner of page 25....the ice cream cone has the word 'ICE'
On bottom of page 19
well it's on a cowboy boot on page 21 on the back of the cowboy boot there is the spur
The first one is on the bottom of page 24. The second one is on page 24 top left corner, held by a figure, near a basketball.