If you already have a hands-free card, you can recharge it with its WTP number. The cards of most ski areas work.
You can also buy a card online for 3€ and then withdraw it at the Click & Collect 24/24 terminal (Caisse centrale des Chavannes) or at the 24/24 cash machines (Caisse centrale des Chavannes and the Tourist Office).
You must order at least 15 minutes before your first visit.
The 5-hour pass can be used for 5 hours after your first visit.