All car rental companies affiliated with Happy Tours offer child seat rentals as an optional service at an average price of $13.00 p/day up to a maximum of $90.00 p/rental (plus applicable taxes). By law the use of child seats is only mandatory for children 5 years of age or younger. Only one (1) child seat may be requested at the time the reservation request is being submitted and additional child seats may be requested directly at the counter upon collecting vehicle (vehicle pick-up).