2519 Skeleton Bowling

2519 Skeleton Bowling is a set that was released in 2011. It includes Jay DX and 6 Skeleton Dummies. This set was an exclusive Ninjago set in 2011 and is one of two sets to include Jay DX. The set also includes 9 weapons.

Lego.com description
Send these skeletons flying!

It’s time to test your Spinjitzu abilities to the max! Place your character on the spinner and see how many skeletons you can send flying! With a choice of 9 different weapons, you’re sure to get a strike! Watch out for the flick missiles on the walls!
 * Includes 7 minifigures: Jay DX and 6 skeletons.
 * Features 9 weapons: 2 silver katana, 2 spears, 2 axes, 2 double scythes and 1 black katana.
 * Flick-fire the arena’s wall missiles!
 * Open and close the arena walls to adjust difficulty!
 * Skelaton Bowling arena measures over 11” (28cm) wide and 5” (12cm) tall!