2003 Toy Awards Winner: Toy Wishes Hot Dozen BTR Action Building Sets combine construction fun and action-packed play! With action features and cool detailed pieces, BTR is BUILT TO RULE!   Compatible with other leading building systems! Now you can build and battle your favorite TRANSFORMERS characters! Build them into their vehicle modes, and then change them into their robot modes! Buildable COMETTOR MINI-CON figure included JETFIRE comes with a firing missile launcher Look for BTR products in the construction aisle at your local toy store!