J.Z.
My adivce for educational gifts would be drawing supplies and anything with numbers and letters - like kitchen magnets or puzzles. At his age hands on is prime, I'd try and steer away from all in one battery operated toys - while they're flashy they don't hold attention long and tend to take up space. Drawing and holding on to letters and numbers allows him the able to free think and mimic you - the best way to learn. The best part is they came be used over and over again.