While I wanted to get the kid some Eames' House of Cards to play with from before she could even sit up, I hadn't thought of showing her Powers of Ten, the designer couples' classic math/science film, which they made for IBM [those were the days, huh?] in 1968. It's available on DVD in Vol. 1 of The Films of Charles & Ray Eames, too, if YouTubin' it's not enough to keep the kid's attention.
Ray and Charles Eames' film, Power of Ten [youtube via kottke]
ModernSeed has Eames' House of Cards in two sizes, plus several film volumes, including 1 and 2. The awesome Toccata for Toy Trains is on Vol. 2. [modernseed]