This desktop toy is a classic glass sand timer with a magnetic twist by using iron filaments and a base with a magnet for a mesmerizing effect. This is a great novelty item for your office and will attract your coworker's attention! use your imagination and create different mini sculptures with this toy: As it pulls the filaments down you can twist and turn the timer for a variety of unique formations! this is a novelty timer and times out at approximately 40 seconds and measures approximately 5 inches tall. A great kinetic gift for kids or adults.