An Activator is a device used by the Tigeroids and the Dragonoids. Activators are used to activate the powers in tai chi cards. They need to be open to activate the card. Activators can also double as scanners and communicaters by lifting the key pad and screen up.
Tigeroid Activators are red and orange. The mini screen on the front of it is light glowing blue.
Dragonoid Activators are blue and green.