From Bulbapedia, the community-driven Pokémon encyclopedia.
A variety of different colored Blasters
Poké Ball Blaster was a set released and distributed by Tomy and Hasbro. Included with each purchase were three Battle Figures, a Poké Ball Blaster shaped like a Game Boy and three Battle Discs. The color of the Poké Ball Blaster in each package was variable.
Poké Ball Blaster sets
The original sets were released incrementally.
These sets were only available from WalMart.