 Copyright of pictures used in the Ice theme of the Button activity
 Copyright of pictures used in the Ice theme of the Button activity|   01 (original) sek Public Domain (?) |   02 (original) Rory McCANN Public Domain (?) | 
|   fond01 (original) Vincent DEROO (drawn from elements of openclipart.org : Architetto Francesco Rollandin, Jose HEVIA) Public Domain (?) |   fond02 (original) Vincent DEROO (drawn from elements of openclipart.org : Architetto Francesco Rollandin, Jose HEVIA) Public Domain (?) | 
|   logo (original) Jose HEVIA Public Domain (?) |