It's hardly a coincidence that the word "muse" appears in "museum!" La Magie des Automates aims to inspire and educate its visitors, so consider adding it to your itinerary.
You'll be spoiled for sightseeing choice when staying in Lans-en-Vercors. La Magie des Automates is a good place to kick off here, but there are numerous other interesting sights to discover. Villard de Lans Toboggan Park, Gorges de la Bourne, and Villard de Lans Aquatic Center are near the museum and and will cap off your day nicely.