Capture the thief under the Big Top in Scooby-Doo. Adventure with Ghost Clown. This sneaky ghost is haunting the circus after being caught stealing show materials. He needs to be stopped, so Scooby-Doo goes undercover as a balloon seller to solve the mystery. Unmask the ghost to reveal his true identity, and collect his ghost card, which can be examined using the reader in the Scooby-Doo. Mystery Machine or Scooby-Doo. Set includes Scooby-Doo, Ghost Clown, ghost card, circus balloons, and other accessories. Warning. Choking Hazard. Contains a small ball and small parts.