What's both fun and challenging? These Riddles and Codes worksheets, which pack a one-two punch of brain teasers.

Can you use your logic skills to find out what new toy Ben just got? Try this colorful brain teaser!

What can run but can't walk? Reveal the answer to this clever riddle by cracking the number code in this Riddles and Codes worksheet.

What has teeth but no mouth? Find out the answer to this and more riddles in this Riddles and Codes worksheet.

This Christmas brainteaser features two pages of colorful medium-level picture Sudoku for young kids.