Twelve-Piece Multicolored Pocket Calculator, Small, And Home Offices. ?Package Includes: you will receive 12 packs of pocket size calculators in 6 different colors, such as purple, yellow, blue and more; The size of the calculator is approx. 11.4 x 6.4 x 2 cm/ 4.49 x 2.52 x 0.79 inch, which is convenient for daily use and carrying. ?Multifunctional Design: Basic Function Calculator, come with 8 digit display. Features include automatic tax keys, percent key, square root key, backspace key, 3-key memory, and auto shut-off, ideal for office, school or home use. ?Dual Powered Calculator: These mini pocket calculators have dual electric drive, light energy and battery(not included); It can work in a bright place without battery. If use it in the early morning or night, please insert AA battery for uninterrupted use. ?Multiple Usages: these pocket calculators are suitable for home, school and office; the best gift for elementary school students. It has high sensitivity and can quickly response to the keys, which can improve your working efficiency. ?The Magic of Math: Great for independent math practice, Students learn addition, subtraction, multiplication, division, and more with these classroom-ready calculators, new math skills help kids understand the world around them.