TEXAS INSTRUMENTS TI 99/4A Alien Addition (1982) tested cartridge math educational game

TITLE: Alien Addition
MFR: Texas Instruments
YEAR: 1982
CAT. NO.: PHM 3115
FORMAT: cartridge
PLATFORM: Texas Instruments TI 99/4A
CONDITION: used, tested and working.  Label lightly faded, light wear to shell.

LABEL VARIATION: green label, white shell

Classic "space invaders" style math game skill drill fun.

Shipping weight 5 ounces.