$ 21.45 21 DAY MONEY BACK GUARANTEE
Dual use tool for 3rd and 4th grade math skill level. Rekenrek on one side, MathLine on the other. Models all K-5 math to 100 on 5 bars of 20 which includes vertical Rekenrek modelling. Models all K-5 math to 100 and ideal for multiplication and division because of the longer bars. 16.5" W, 5.7" H, 2 D"