• Conquer math skills with learning resources educational toys loved by more than 100 countries around the world. Fraction Tower Equivalency Cubes are a math aid that teaches fractions, decimals, and percentages simultaneously • Fractions (1/2), decimals (0.5), percent (50%) are the same! Fractions (1/4), decimals (0.25), percent (25%) are the same! You can see the same color and size of the cube at a glance • When stacking cubes of the same color, the tower cubes are all "1", which can fully learn the concepts of fractions, decimals, % by thinking of the "1" as the base • Learning that is difficult to imagine in your mind or understand on a paper surface makes it easier to understand by seeing, touching and moving the cube • Package Size (W x H x D): Approx. 8.7 x 7.3 x 2.0 inches (22.2 x 18.5 x 5 cm); Cube Size (Max): Approx. 0.8 x 4.9 x 0.8 inches (2 x 12.5 x 2 cm); Recommended Age: 6 years and up