Connecting a mouse via cord is as easy as it gets, and you'll never need to charge it or change batteries. Children, or adults with smaller hands, might find that this mouse works
From Amazon
BenQ ZOWIE ZA11-C Symmetrical Gaming Mouse for Esports |Weight-Reduced | Paracord Cable & 24-step Scroll Wheel for More Personal Preference| Driverless | Matte Black Coating | Large Size
Overclockers
BenQ ZOWIE ZA11-C Gaming Mouse For Esports (Large, Symmetrical, High Profile)