registration chargeshi,

hi, i want to know the registration charges for stem project vexiq world 2017.any one have idea.plz tell me

If you have world championship nomination, even if you get there by winning STEM Project Award, you are nominated for the whole event, including teamwork and robot skills.
There is only one registration fee, $850 I believe.

Here is the website of the VEX IQ World Championship event for middle school:

If you qualified by any means, as nenik said above, you are included in all the parts of VEX IQ Worlds.