Made in USA by LeapFrog Enterprises in 2003
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* CPU: Custom ASIC containing an ARCTangent 5.1 CPU, running at 96MHz.
* Memory: Original Leapster: 2MB onboard RAM, 256 bytes non-volatile. Leapster2: 16MB RAM, 128kbytes non-volatile storage
* Media type: Cartridges of 4-16MB with between 2 and 512kb non-volatile storage.
* Graphics: 4Mb ATI chip.
* Audio: Proprietary hardware audio acceleration.
* Screen: 160x160 CSTN with touchscreen.
* USB 1.1 (client only) and full-sized SD slot (Leapster2 only).
Educational handheld game console aimed at 4 to 10 years old children.
The system works with a directionnal pad and a touchscreen with a stylus.

A successor of this system was called Leapster2 and was released in 2008 and included an USB port and a SD card slot.

Most softwares are developed by LeapFrog Enterprises.