Thunderhead Strikes Again Released: 06/25/04 Thunderhead fans love the ride's plunging 100-foot drop that sends the train racing into an extreme "S" curve. The coaster reaches a top speed of 55 mph as riders navigate 22 turns on a track with 32 crossovers. Edition Size: 500 UPC Code: 400152144971 Category: Core Retail Price $4.00