Giant Sand Timer - 15 Minute - PURPLE Immediate dispatch, estimated delivery date in around 10 working days - not the longer Amazon ETA Robust giant timer, perfect for use in games & timing experiments. Fun, educational, eyecatching, engaging maths & science resource. With its large proportions and clear colorful sand particles young children can time events, time themselves and set themselves time limits. Giant sand timer with moulded end caps & thick wall surround.. Timing -15 minutes. COLOR CODING - PURPLE. Size - 160 x 70mm.