A普通版(送3节普通电池)
B充电版(充电器加充电电池）
C普通版加5只车(送3节普通电池)
D充电版加5只车(充电器加充电电池）
A regular version (send 3 ordinary batteries)
B charge version (charger plus rechargeable battery)
C ordinary version plus 5 cars (send 3 ordinary batteries)
D charge version plus 5 cars (charger plus rechargeable battery)