Wisetime Base Ten Blocks (131 Pcs.) Plastic Set in 4, Dience Block Set- Starter Kit Total of131 pcs ( plastic ) unit : (1 x1 x 1) = 100 unit cubes ten rods : (1 x1 x 10) =20 tens rods hundred : (1x 10x 10) =10 hundred blocks thousand : (10 x10 x10) =1 thousand cube Colors Are Indicative. It May Varies As Per Stock Available.