Kubuś organized a music contest for children. To take part in the fun had to record a copyright execution Kubuś Christmas Song "Ringtone Sound". Of all the recordings - Jury selected the winners, recognizing the creativity, commitment and knowledge of the song. The prize was an invitation to participate in a Christmas advertising Winnie!In the holiday spot winners attended. The song, which sounds in the ad was done by small singers, and the formula video introduces a unique atmosphere and magical atmosphere of Christmas. In a non-standard way Kubuś wishes all a Merry Christmas!