Invicta 163959 Interlocking Base 10 Number Structure Set

The Base 10 Block Set from Invicta helps children to learn basic mathematical concepts including addition, subtraction and place value. The Base Ten Set consists of cubes (units), rods (tens), flats (hundreds) and blocks (thousands).The fully interlocking system allows pupils to join the components together for easy use. Each piece is clearly marked in centimetre squares to highlight how each unit relates to the whole.Set 52-3107 consists of 100 yellow cube units, 10 green rods, 10 blue flats and 1 red block.