For a challenging game involving hand eye coordination and manual dexterity, then Monster Surgery from Spears Games will provide a challenge for your little one.
Your child has to remove parts and organs from a Frankenstein type monster with a pair of tweezers. If they touch the sides, the monster vibrates frantically. You spin the wheel and whichever part the arrow points to is the part that you have to remove. Different points are awarded to different parts according to difficulty, the winner is the one who has most points at the end of the game.
This game can be played by 2-4 players, and requires 2x AA batteries.