Contains: 54 Number and Symbol Tiles, Floor Number Line 1-10, Floor Number Line 11-20, Zero Tile, 4 Blank Tiles, Plastic Animal Counters, Teaching Notes and Photocopiable Worksheets. Stored in a tray with lid. All tiles and numbers are printed on 100% polyester with an anti-slip backing. Size of walk-along number line 2100 x 250mm.Age: 3 years + The activities suggested are aimed at the 3 ½ - 6 year age group, giving the children the opportunity to develop and practice the basic skills necessary to understand mathematics.The suggested activities aim to cover the following key areas: Recognition and naming of written numbers Number sequencing Concept of odd and even Physical experience of small number adding Physical experience of small number subtraction