So fun to buy, so exciting on Christmas morning … so quickly forgotten. Kids can be fickle about their toys, so we looked for Christmas and Hanukkah gifts with lasting appeal beyond the latest fads.

Walmart's new "Wonder Lab" allows kids to virtually unbox and play with toys ahead of the holiday season.

The rate of childhood obesity in the U.S. has tripled over the past 50 years. But what this trend means for children's long-term health, and what to do about it (if anything), is not so clear. The ...