If you're looking for a gaming mouse, this could be just the thing. If you're looking for a mouse for your child, this one could work very well.
Conrad Electronic
SpeedLink Fortus Wireless Ergonomic gaming mouse USB Optical Red, Black 5 Buttons 2400 dpi Backlit, Ergonomic
OnBuy
SPEEDLINK Fortus Wireless Optical Gaming Mouse - Red/Black (SL-680100-BK-01)