Grammar Check for a Simple Riddle for 5-Year-Olds

Your riddle is grammatically correct. It reads well and is clear for a 5-year-old audience.

Here's a quick breakdown:

• With eight legs and claws for hands, – This is a phrase describing the subject; it is correct.
• This little guy walks sideways on the sands. – Complete sentence with a subject and predicate; 'walks sideways' is clear, and 'on the sands' is fine, although you could say 'on the sand' for simplicity, but 'the sands' is also acceptable.

Overall, no grammatical errors are present, and it works well as a fun riddle!