Car seats available for road trip from the Pyrenees to Senegal and back

We're leaving by car on January 5th for Saint-Louis, Senegal. On the itinerary: the Aéropostale stopovers, Banc d'Arguin National Park, Diawling Park, and Saint-Louis. We have one seat available for the outbound trip and two for the return around January 25th. Sharing road expenses. If you're interested, leave me a message. Marc