For other related logos and images, see:
The original logo was a green square with the words "LEAP FROG" inside.
1998–2001A frog was added to the logo.
Same logo as the 1998-2001 logo, but with a circle around it.
In late-2004, the letters turned green, along with the frog and the square being removed.
Sometime in 2008, the logo was changed to have a darker green, the font was changed, most of the letters are lowercase, and the circle is changed.