I’ve always liked Legos, and I really like the LEGO Mindstorms Robot kits. If you’re looking for Christmas present for your kids (or your kid at heart), you can’t go wrong with Legos.
Here’s one of the projects someone did recently… A Self-Parking Car:
Cool! Can I get that system for my car instead of buying having to buy a new Lexus/Acura (whichever has that system)?