From the Manufacturer Everything you need to build your own HEXBUG Nano Battlefield! Includes 4 Hex Cells plus several unique multilevel pieces and bridges. Pieces easily connect and disconnect. Working doors. Hexbug Bridge Battle Play Set: Includes 29 easy-connect pieces and 2 Hexbug Nanos Collect and connect with other Hexbug Nano Habitat accessories (sold separately) Requires 2 AG13 button batteries (included) Assembly required
