Learn how to use the UE4 unofficial leap motion plugin to make a basic jenga game.
Part 3 teaches you how to add telekinetic powers through line tracing and leap-specific gestures.
Plugin resources at: https://forums.unrealengine.com/showthread.php?49107-Plugin-Leap-Motion-Event-Driven
Final Project available at: https://mega.nz/#!JZRkCRQQ!w1F9Eh2elY9dQFpFrxZ28s31Ze26U5j53dAEntQIJhY