These unique rotating lines consist of 20 printed blocks which rotate individually through 360 degrees and lock at 90 degrees intervals.
Numbers printed on 3 sides with 1 side blank .
Use for multiples and doubling and covers 3, 4, 6, 7, 8 and 9 time tables.
Plastic and Aluminium construction
Size: 1079 x 120mm. Also available in a mini version 435mm x 43mm