Primary Calculator Set of 10

This eight-digit, dual powered calculator automatically switches from solar powered to battery powered depending on light source. Made of durable plastic to withstand everyday classroom use, this multi-function calculator is perfect for introducing basic math operations to students. Includes auto shut-off, 3-key memory and more! The bright blue calculator measures 4 1/2"H x 2 1/2"L. Intended for ages 4 years and up.