Heavy Duty Tray - Pack of 4This set of colourful, heavy duty trays are an essential for any scientific expedition or experiment! Convenient pack of 4 trays, suitable for a wide range of uses by children and students of any age. These are durable, hard wearing trays that are also lightweight and easy to hold. This set of trays come in a variety of exciting colours including red, yellow, green and blue! Features: handles on either side for comfortable, easy carrying a solid lip