Due May 2010. Please Note: This is an aftermarket accessory kit produced by a third party manufacturer and is designed for use with existing Transformers products namely Takara Superlink or Hasbro Bruticus combiner set The Explorer set will include one transformng space shuttle, as well as a number of add-on pieces to connect to the other Combaticons, such as a launch pad, and other pieces for Bruticus. You will need both Crossfire Sets as well as the Universe Bruticus Boxed Set to create the upgraded Bruticus figure, comes with all parts seen in the images - please note this is a collectable product for adult collectors only - not suitable for persons under 18 years of age.