It's time to be a hero! By day, they are Connor, Greg and Amaya, but by night they are Catboy, Gekko and Owlette, the PJ Masks! It's Greg's birthday and ... We analyzed the price history for the Big Birthday Cake Rescue: A PJ Masks with Amazon price historical data. This item is manufactured by Pat-a-Cake. It is sold in the category Books. Amazon have it for sale at 5.24 £. We noticed a higest price of 6.99 £ and a lowest price of 3.99 £.