A system that includes a toy that includes a RFID reader capable of interacting with RFID tags and a communication interface for exchanging signals with a computerized entity; and a computer readable medium having stored thereon a set of instructions, the set of instructions, when executed by a processor,...http://www.google.de/patents/US20060273907?utm_source=gb-gplus-sharePatent US20060273907 - RFID-based system and toy
