New to Robotics

My 5th grader has entered into a robotics compettion. You can use kits but I am not sure where to start and what kit to buy. We have 2 weeks to complete. Any suggestions would be greatly appreciated. 

Timeline

To confirm, between today and the competition you have 2 weeks? You might consider a kit:

https://www.robotshop.com/en/robots-elementary-schools.html

In order to help more, we’d need to know what are the criteria / requirements for the compeition, as well as your budget.