Parrot ride:

If you get 100 bones on each level, Waddlesworth the parrot will give you a ride. When you have your bones, find a blue mark on the floor.

He will ask if you want a ride. Answer "Yes".

Trap Jasper:
When Jasper starts chasing you, run -- do not bark or fumble. Run to the beehive that Fidget showed you. If you do this, Jasper will get buzzed.

Trap Horace:
Find Horace near the blue steps in Piccadilly. Press Square to open the manhole. Then let the dog do all the work to trap Horace.

Finding Lucky:
Go behind the chair in the house and push on the wall.

Finding Rolly:
Enter the kitchen and look inside the cupboard.

Finding a bone:
Go to the cash register in the toy store level and press Triangle or Square. The register will open and a bone will appear.