The material is necessary for the introduction of the decimal system. 9 golden beads, 9 golden bead bars, 9 golden bead squares, and 1 golden bead cube of 1000, with boxes, unit holder and tray. Individual nylon beads.
Quality Montessori Materials for Toddler,
Primary and Elementary Since 1993.
E&O Montessori USA.
Reviews for Introduction to the Decimal System