Tamiya - Fun Craft Series - No. 150 - AA Battery Box with Switch This set includes a battery box for one AA battery and an assembly-type reverse switch. The octagonal battery box allows flexible placement of one or two batteries to suit your project, enabling either series or parallel connections. The reverse switch can also be attached to the battery box without wiring. The battery case can be bonded using Tamiya Cement. \nIncludes: 2 battery boxes, assembly-type reversing switch, fixing scr