It's a private tour so you decide how much time you want to spend in each place, I'll put forward a number of suggestions to match your interests...
Wheelchair accessible. Infants and small children can ride in a pram or stroller. Public transportation options are available nearby. Specialized infant seats are available. Transportation options are wheelchair accessible. Not recommended for travelers with poor cardiovascular health. Travelers should have at least a moderate level of physical fitness. I have a booster, that's all.
I can come and pick you up anywhere between Cannes and Menton, at your hotel or Airbnb. The only exception being Monaco, other rules...