b'Mathematics Checker Board Activity SetAdditional exercises for use with the Checker Board. Includes: exercise cards, divider tabs and a wooden box for storage.Item Number: 060201$74.95 Checker Board Beads Contains 20 of each Coloured Bead Bars 1 through 9 in a wooden box with lid. These beads along with the tile material (Item Number 0138B0 and 009950) are component parts necessary to do the Checker Board activities.Individual Beads Glass Individual Beads NylonItem Number: 0138G0 Item Number: 0138M0$239.95 $224.95 Number TilesThis set of wooden colour-coded number tiles is designed for use with the Checker Board, Decimal Checker Board and the Flat Bead Frame.Item Number: 0138B0$69.95Box With Grey And White Number TilesThis advanced set of wooden colour-coded number tiles is designed for use with the Checker Board, Decimal Checker Board, the Flat Bead Frame, the Bead Material and various other math exercises. The numerals on the tiles are printed in black, instead of the colours used in the hierarchy of the decimal system, thus demonstrating the move from one category to another more clearly.Item Number: 009950$76.95Nienhuis Montessori 79'