Science make an edible DNA model. This could be use in science class when learning about DNA. Student would love this because its a ton of candy and its creative and hands on. Teachers would love this because its an effective teaching method.
The sun clock can help the students determine what time it is by putting a pencil in the middle of the clock which will be the hour hand for the clock , and the students can learn about the minutes of the clock so that they can learn how to tell time.