Accuratus Monster 2 - USB Mixed Colour Keyboard with Extra large Keys and a 2 Port USB Hub
For young children the Monster 2 Mix is the perfect entry into computing, with large oversized keys grouped in different colours making learning easy and fun. Then there's the High Visibility & High Contrast models designed for users with vision impairment. With high visibility large black legends against a bright yellow background, or large black legends on a high contrast white background. The perfect combinations for those with certain sight deficiencies.
Maybe you just want a keyboard with big keys because they look cool, whatever the reason, these tough keyboards are precise and a joy to use.