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Hi, ive just tried to go on it now,but it wont let me, as far as i can remember, i think i put the coins directly under that beer mat with the other ball on it. Put them on the tray being tilted with the lime. Then put the pint inbetween the tray and the other existing pint. Then the ball will go over the top of these two pints, land on the left hand side of the tray, which will move like a see saw, making the coins knock the beer mat with the ball on, and the ball will roll off. Hope this helps. Let me know if you get it!