Base Ten Plastic 4-color
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#10510 100 cubes, 10 rods, 10 flats, 1 block, boxed
#10511 Yellow cubes, 1 x 1 x 1cm, 100pcs
#10512 Green rods, 10 x 1 x 1cm, 50pcs
#10513 Blue flats, 10 x 10 x 1cm, 10pcs
#10514 Red block, 10 x 10 x 10cm, 1pc