Curious George (2006)

George and the Man are staying at Professor Wiseman's beach house and George has his favorite toy: Yorbo the Robot. But after taking it outside, it gets buried under the sand in a sudden thunderstorm and George wants to find it. He has trouble trying to find it on the huge beach, until a lady comes and shows him a metal detector. But when George cannot use hers anymore, Professor Wiseman shows him how to make one out of an FM Radio and a calculator.