From prices (official site): morning safari with farm tour AED 150; desert BBQ dinner AED 110; desert safari with dinner AED 150/190 (unclear which current); chalets from AED 600-850/night (family chalets for 2 adults + 2 children from AED 700). No child prices.
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Morning safari includes hotel pick-up, about 45 min dune bashing and a visit to camel and date farms.