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.
Easter Chick could be purchased for $4.99 in a deal that includes 3250 coins. It could also be purchased for $19.99 in a deal that includes the Cool Bunny skin and 50000 coins. Easter Chick was not available for individual purchase and may not be available for purchase in the future.