Years ago, Bruce Wayne vowed to rid Gotham City of crime. After perfecting his skills, he became Batman, the World's Greatest Detective and crimefighter! Now, deep within the Batcave, the Dark Knight has increased his crimefighting powers by developing amazing new sleuth gadgetry known as Dynamic Decoder Gear! This state-of-the-art equipment reveals hidden clues left on figures and their packages so that you can help Batman, Robin and Nightwing to solve mysteries and defeat the world's most diabolical villains! Dynamic Decoder Gear gives you the power to team up with Batman and his friends to save Gotham City!