Prepare your shoe! Calendar, 'Wanneer mag ik mijn schoentje zetten?', Sint en Pieten. Contents: 1 calendar and 1 sticker sheet. You can use this item for the following party occasions: Sinterklaas. A Sinterklaas calendar that allows parents to use a 'shoes sticker' to indicate on which days shoes can be put out, helping children see how many nights they still have to sleep. At the same time, they can also track how many nights remain until Pakjesavond. There are 16 "Schoenzet stickers." This countdown calendar measures 18 x 23.5 cm and is made of paper.