I created a extra lesson to go along with loops and simulations. Students create a simple roulette simulation to see how much money they would win if they only bet on the color black. Most students completed it in 30-50 minutes. https://docs.google.com/document/d/1A1PJSR794v5wTlw3WsNR_nY2bqsex1ydMgZmWd4bwCI/edit?usp=sharing