The set includes 6 "DX Guts Hyper Key Premium" keys: Ultraman Decker Flash Type Key, Ultraman Zero Key, Ultraman Dyna Flash Type Key, Ultraman Nexus Anphans Key, Ultraman Max Key, and Ultraman Mebius Key, plus one Guts Hyper Key of Ultraman Trigger & Ultraman Z (Special Color), for a total of 7 keys. By holding down the button, you can switch between three modes, and the audio content will change. (※ The content of some modes differs for each key) 1. Hyper Key Mode This mode plays the activation sound of the Guts Hyper Key. By linking with the separately sold "DX Guts Sparklence," you can enjoy transformation play. 2. Sound Mode This mode plays transformation sounds, voices, and special move sounds built into the Guts Hyper Key. 3-A. Kaiju Picture Book Mode This mode plays the roars of the monsters that fought each Ultra Hero. ※ Only included in Ultraman Decker Flash Type Key / Ultraman Zero Key / Ultraman Dyna Flash Type Key. 3-B. BGM Reservation Hyper Key Mode This mode automatically plays BGM following the transformation sound when linked with the separately sold "DX Guts Sparklence." ※ Only included in Ultraman Nexus Anphans Key / Ultraman Max Key / Ultraman Mebius Key. Each Guts Hyper Key can be linked with items such as the separately sold "DX Guts Sparklence" and "DX Circle Arms" to play sounds. Set Contents DX Guts Hyper Key Premium Ultraman Decker Flash Type Key…1 Ultraman Zero Key…1 Ultraman Dyna Flash Type Key…1 Ultraman Nexus Anphans Key…1 Ultraman Max Key…1 Ultraman Mebius Key…1 Guts Hyper Key Ultraman Trigger & Ultraman Z Key (Special Color)…1 Unopened item, no shipping cardboard box. The cosmetic box has initial scratches.