uxcell Children Blue White Plastic 11 Rods Abacus Geometry Learning Tool Product Name : Abacus;Color : Frame: Blue Beads: White : Beads: White;Beads Design : 11 Rods Two Bead above & 5 Beads below (Each Rod) : Two Bead above & 5 Beads below (Each Rod);Overall Size : 21.5 x 10.3 x 1.9cm/ 9.5" x 4" x 0.7"(L*W*T) Each Bead Diameter : 1.5cm/ 0.6inches;Material : Plastic Weight : 163g;Package Content : 1 x Abacus,2 x Rubber Bands