My dad is subbing and he saw someone who had a 100 grid and students could write their name in the grid as a reward and then a random number generator picks some kids at the end to get a small something.

So I made him one here is the PDF on one page:
https://drive.google.com/file/d/1ILnW53vb-9RYd63mIKN6Zdp74VX1I-ZA/view?usp=drive_link

#EduSky