Data Management (MDM 4U) Probability project ideas

i need help with finding a project idea. i must create i casino-esque game in which the odds of winning are fair using tools of chance such as dice, coins, spinners etc (im leaning towards a spinner) where more than one tool can be used. i need to determine the probability of winning and a winning strategy (if there is one). i need an idea for the game and help on finding the probability of winning. all usine empirical and theoretical probability and probability distributions, geometric distributions, etc. many thanks and the help is much appreciated!!!