To do much sightseeing you will need a car (see Getting There).
Helicopter tours are offered by Jet Systems +33 (2) 47 30 20 21 http://www.jet.systems.fr from Amboise Aerodrome with child prices for under 12s. A 20-minute flight across Amboise, the Loire Valley to Chaumont and then Chenonceaux would cost F690 per person.