These giant magnetic ten-frames and colourful discs allow teachers and students to explore number and operations base ten skills. Includes 4 magnetic frames and 44 discs (11 green, 11 blue, 11 yellow, 11 red). Each ten frame measures 31.5 x 12 cm, counters 4cm. Ages 5+ Choking hazard - small parts! Not for children under 3 years.