Cir-Kit Concepts Dollhouse Miniature Large House Wiring Kit Our popular CK103 kit has all the basic Starter Kit items plus a double quantity of tapewire, eyelets and brads. These added items will easily allow the wiring of a 10 to 12-room dollhouse. A special circuit-breaker protected 20-watt transformer is included to provide power for up to 33 12-volt or 46 16-volt GOW bulbs. An in-line power switch provides on/off light control without the need of disconnecting the lead-in wire from the dollhouse. See description for full details. 1in to 1ft. 1:12 Scale. This is sized for a dollhouse. Detailed scale model for adult collectors. Not intended for children under 14.