A fun, practical way for children to gather information to record, compare and order measurement. Dry wipe area to aid estimation or to mark none standard units like handspans! Strong, sturdy and lightwieght for little ones to carry. The design of the chunky slider ensures that it can be moved up and down with ease. Both centimetres and millimetres are printed clearly, along with 1cm blocks and a handy dry wipe face which can be used to assist estimation and for recording non standard units such as handspans or a pencil length. Suitable for: EYFS, KS1, KS2.