CUP CAKE Concept tray (only tray): Our favourite sweet treat in the form of a playtool and would any child stop playing with them! The Cupcake Concept trays are designed to provide opportunity to create artsy fun with sensory materials. Tray size for cupcake tray: 18.5cm wide at the widest 22.5 cm long Fillers are used to color the trays and each color concept used will simulate a true Cupcake and will be a delight to watch the end result.