LEGO
LEGO Duplo Classic Brick Box
The obvious choice for this age, and it earns the hype. The blocks are big enough that preschoolers can't lose them in weird places, and they click together in a satisfying way. Many kids keep playing with it daily for years.
See current price on AmazonHighlights
- Larger DUPLO-sized bricks are easy for preschooler hands and won't vanish under the couch as easily as regular LEGO
- Open-ended set: no instructions to follow, so kids build whatever they picture
- Compatible with other DUPLO sets, so the collection grows with the kid