The gift idea thread from about this time last year may be: Christmas is coming, the goose is getting fat (2015).
The 2014 thread is here.

The Davidson Database also has a list of Gift Ideas for Eager Young Minds.

Other threads with gift recommendations include:
- Book/toy suggestions for science-y 7 year old,
- drawing books,
- Chess Set Recommendations,
- Science kit recommendations,
- games for preschoolers,
- Board games for little kids,
- Cricket magazine,
- Graphic novel recommendations.

This post mentions some ideas and considerations for charitable gift-giving.