The Mega Memory Card Game Boy Color & Pocket Interact Nintendo GBC is a custom bundle external attachment designed for Nintendo Game Boy and Game Boy Color consoles. Manufactured in 1999 by InterAct, this yellow memory card has a storage capacity of up to 100 games in NTSC format. It features connectivity through a controller attachment and comes with a 3-month manufacturer warranty. The memory card is compatible with Nintendo Game Boy and Game Boy Color consoles, allowing users to save games like Pokemon for extended gameplay.