Weekend in Paris with 14 year old girls

[CloudPop]

Taking my daughter and 2 friends with mums for along weekend in Paris in October. Any suggestions of where we should go / what we should do apart from the obvious things?

Do a croissant making workshop with La Cuisine lacuisineparis.com They do other workshops if you don't fancy croissants!
On Sundays, there's an amazing bird market on Place Louis Lépine on Île de la Cité by Norte Dame.
River cruise
Food tour on foot
Climb the Arc de Triomphe and walk down the Champs d'Elysee
Every Friday at 3pm there's a free 30 minute fashion show on the 7th floor of Galeries Lafayette.
La Promenade Plantee is a beautiful elevated park built along old train tracks. It goes on for 3 miles from Bastille to Bois de Vincennes.

Sephora?

Matiere Premiere is a wonderful bead shop and you can buy individual beads to make a bracelet or necklace. A good souvenir.

Great suggestions, thanks