Another effective example of getting people in the right state of mind, by giving them a taste of excitement and success and topping it off with a tangible offer; ‘free money’.
Most people simply can’t resist to try their luck and see if they can guess it right, even though they consciously know that “this is a casino game, and I might get lucky now but in the end I’ll probably lose” – which is pretty much the whole reason why casinos have been and will always be thriving.
Also works in smaller sizes.