One of the three skins released as part of the Bunny's Delight coin deal for Easter in April 2017. This skin was available for purchase in the middle of April 2017.
Cool Bunny could be purchased for $19.99 in a deal that includes the Easter Chick skin and 50000 coins. This skin was not available for individual purchase and may not be available for purchase in the future.
Gallery
Cool Bunny - Original Image