This is an example on how to Enter a Contest.  

There are 3 Types of Tickets:

1 - Grand Prize ticket -  You purchase one Grand Prize ticket in order to win the Grand Prize.

2 - Early-Bird ticket - For each Grand Prize ticket that you buy, you get 1 Free Early-Bird ticket which allows you to participate in each Eraly-Bird drawing until the Grand Prize is drawn.

3 - Bonus Ticket - The Bonus ticket is also a Free ticket. It is obtained free of charge when you purchase a multi-pack Grand Prize ticket wich is a pack of 3 or more ticket. The Bonus ticket allows ou to participate in the special Bunus drawing for a high-price item such as a car, boat, motorcycle, etc.

Mega ticket - You can buy an extra Mega Ticket to participate in a separate drawing for a high price item. This ticket does not participate in the Grand Prize, Bonus or Early-Bird drawing. You pust already have a Grand Prize ticket  holder in order before you can buy a Mega ticket.