Powered Play - Plug&Play LED Kits for Minis and Scale Models Kickstarter

Powered Play is running the PoweredBases Kickstarter:

PoweredBases are the first plug and play option for lighting small models that sit on bases of 40mm or larger. It works with your existing bases, so there’s no need to swap out all of your beautifully modeled pieces
The basic kit comes with:
Round PC Board with attached watch battery connector (battery not included)
3 single-bulb LED strings with pins attached
Several LED Connectors
Matching diameter concealer ring
3M Mounting Square
Quick Start Guide

Link: Campaign on Kickstarter 
Link: Powered Play