3 arduino (cordinator) + zigbee + 1 arduino (router)

i have a idea to create a wireless sensor network.i had done it using a simple tx nd rx code for 1 cordinator and 1 router for pir sensor. now...... :o i have to send information of 3 sensors like pir, gas sensor & teperature sensor which are connected to dfferent (cordinator) arduino to single router arduino using delay programming code pls help me in programming

Which XBees do you have? How are they configured?

What code do you have for the router/end devices? For the coordinator?