This special gamecartridge had a game slot of its own, which would let you strap on previous titles in the Sonic series.
这种特殊的游戏盒有一个自己的游戏时段，这会让你在以前的游戏系列的声波带。
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This gamecartridge slides right into any Smart Cycle model for extra learning opportunities with fascinating facts, exciting sounds and skill-building games.
The special cartridge could be coupled with the Game Boy printer, another peripheral that could print out your shots on receipt-like thermal paper when connected to the system.