Physical pieces for interactive application using touch screen devices

A method of facilitating an interaction with a physical toy using a touch-sensitive system having a processor and a touch surface, the physical toy having a receiving part for attaching a physical accessory thereto and detaching the physical accessory therefrom, the method comprising:

• running, using the processor, an interactive software on touch-sensitive system;
• displaying, using the processor, digital elements on a screen display of the touch surface;
• detecting, using the touch surface and the processor, the physical toy using a plurality of touch points of the physical toy touching the touch surface of the touch-sensitive system when the physical accessory is not attached to the physical toy;
• determining, using the processor, a position of the physical toy with respect to the digital elements displayed on the touch surface;
• determining, using the processor, that the physical accessory is attached to the physical toy by detecting, using the touch surface, one of the plurality of touch points of the physical toy, wherein the one of the plurality of touch points is activated in response to attaching the physical accessory to the receiving part of the physical toy;
• and
• interacting with the physical toy based on the physical accessory attached to the physical toy and the position of the physical toy with respect to the digital elements displayed on the touch surface.