These battery boxes, with on-off switch, hold 4 AA batteries for a 6-volt power supply. We have it customized with a 2.5mm connector on the wire leads that make it easy to connect to the barrel connector of the MakerBit+R board, and much more durable and long-lasting for classroom use.

Retail Price: $6.95

Early Supporter & School Price: $4.95

Catalog #: 702