Duplo Start / Stop Rail, Single Rail, Change of Direction Switch 乐高 LEGO 5024

乐高LEGO 5024 Duplo Start / Stop Rail, Single Rail, Change of Direction Switch Duplo Start / Stop Rail, Single Rail, Change of Direction Switch 于 1997 年推出，是一款 服务包 Service Packs 系列积木套组，内含 4 个零件。