Drivers (9 yrs. old & 54" or taller) $7.50 ea. (Groups share 10+ rides with Family-Pack and they're $6.75 ea.) Passengers (36" to 54" tall) ride in passenger seat for $1.50 with licensed adult.
Go karts are 7.50 per person for one round. Your eleven-year-old child might be too old or too big to ride as a passenger in which case it's 7.50 for them to. If they can ride as a passenger it's only 1.50
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