Children learn abstract number concepts with this 2-in-1 math tool. First, they use the multicolored rainbow beads to practice counting by 1s. Over time, they transition to using the red and white beads to deepen their ability to visualize and understand number patterns of 5 and 10. The Getting Started Guide includes five teacher-developed activities. Details: Multicolor 11.8'' x 10.6'' x 3.3'' 1 double-sided abacus Getting Started Guide with 5 teacher-developed activities Durable plastic frame For ages 3 and up