Available in Sephora France:
L'Eau d'Arthur (for boys) EDT
Parfumeur: Phillippe Romano
L'Elixir de Selenia (for girls) EDT
Parfumeur: Delphine Jelk
They are more concentrated than the regular boys and girls eaux (wich contain about 3% of oils), so they can be used by their parents as well -according to the perfumers.
Arthur et les minimoys is a movie by Luc Besson, it will be called Arthur and the Invisibles in the US/UK i believe.
they were produced by Koto Parfums and the scent themselves created by Drom, a frech branch of a company of german perfume creators. (via license for Europacorp , a Luc Besson company). The bottles and samples are made by Cosmopar (france).