Contains 9 Bars of 10 and 9 unit Beads. Montessori Golden Bead Bars. Brilla Montessori Golden Beads Materials for Segiun Teen board contains 9 bars of 10 and 9 unit beads.Premium quality golden beads bar by Brilla Toys. These beads perfect for those who want to craft their designs uniquely. If uniformity of size is not your priority then these beads would be the best for you as they are inconsistent in size and shape.