Walter Wick
- I Spy Little Letters
- I Spy Little Christmas
- I Spy: Year-Round Challenger
- I Spy Ultimate Challenger
- I Spy Little Numbers
- I Spy Little Animals
- I Spy Little Book
- I Spy Extreme Challenger
- I Spy Super Challenger
- Walter Wick's Optical Tricks
- Can You See What I See? Dream Machine
- Can You See What I See? Toyland Express