Birthday Cakes : Monster Truck Monster truck cake for Hudson’s 4th birthday. Truck is WASC cake and tires are made from RKT covered in fondant. TFL! By Luana - November 6, 2018 0 3704 Birthday Cakes : Image : Description Monster Truck Monster truck cake for Hudson's 4th birthday. Truck is WASC cake and tires are made from RKT covered in fondant. TFL!