Kids Big Keys Kinderboard Keyboard and 1 Button Mouse Combo Pack / Bundle (Black) Kids Computer Mouse Pad [Ages 1 to 4] The KinderBoard has bold, large 1-in/2.5-cm keys with easy-to-read numbers and letters, and features color-coded consonants, vowels, numbers, and punctuation marks Compatible with Windows 98SE and newer, and MAC OS 10.1.5 and newer. 1 Button green mouse small enough to fit into small hands. ChesterMouse is a single-button mouse with no scroll wheel made from rugged plastic