Hi there , we love to hear you are coming back,with your 2 younger kids they can go on 2 seaters with one of you and with the guide as they ride 2 seaters or they could go in one of our 4wd buggies that will have a guide driving $29 per child for a half hour and $49 per child for 1 hour which will travel with the quads and your next 2 can ride on their own bikes. Options for riding your own bikes , half hour tour on farm quads will be $75 pp and the sports quads which are auto are $85pp and when you to a 1 hour tour on a farm quad its $105pp and the sports quads are $140pp we provide all safety gear and wet weather gear. Be sure to book as it is our busy time of the year to avoid dissapointment and remember to bring a phone,camera or a Go Pro to capture the moments and the stunning views. Travel safely and talk soon