Remove the tank cover and check the water level after the fill valve has shut off. It should be about one inch below the opening of the overflow tube. If it is significantly lower than that, there may not be enough water in the tank to fill the bowl after a flush. Correct this by adjusting the float.
The average child can do this during the second half of this year. Between 24-36 months, children are typically able to work simple insert puzzles (e.g., completes a three-piece simple puzzle where pieces are whole objects). Also, children can remove a part from a toy (e.g., a wheel) and replace it.
Puzzles are a great educational toy for kids. So, what are the best puzzles for children and why are puzzles so important for kids to play with? Puzzles have been around since the late 1700's. They originated when British map makers designed puzzles as a way to teach others about geography and the world.