Help, we have a zoo! A crocodile as the main prize

Sem and his grandfather are at the zoo. Just as they are about to go home, a lottery takes place. Sem has the winning ticket in his hands! His prize is a big surprise and will be delivered to his home the next day... What Sem and his grandfather don't know yet is that the zoo is about to close. And the owner must get rid of all animals as quickly as possible. Especially the big, wild animals... What should Sem and his family do when a huge crocodile is delivered to the garden the next day?