I need a device that doesnt exist? Help please!

Good Day, I am looking for a keypad, with an led or lcd screen, or even a lite that lights up that has the capabilities of storing number sequences for example.....1234567891912

I need this device to store these sequences.

Also this device must be able to upload the data from device to a pc via usb, or have a removable flash memory card.

It just needs a keypad, some type of memory, and a lcd, led, or some type of lite that can communicate to the memory on the device and/or the keypad

Do you have any suggestions.

Ive seen the Genovation devices, they seem to be a little out of the price range for this project.

Could someone please help me out here

Thanks!