Every first and third Sunday of the month at 12:45 Willem de Torenwachter (William the Towerwatcher) takes hordes of young children up to the top of the Domchurch. On the way they learn about the bells, the ringing of the bells and they can play the Carillon. The guides are top entertainers and keep the kiddies happy in an exciting and informative exploration of the famous Dom tower. Reservation required.