Set the timer to 38 minutes

How to use the online timer

You are guiding your child through a thirty-eight-minute session in your residential building’s gym, watching their form while keeping the next exercise ready. The fixed window gives enough room for a warm-up, several short activity blocks and pauses for water without turning the visit into a long afternoon. You can concentrate on coaching rather than repeatedly checking the wall clock.

With treadmills running, weights landing and neighbours talking, the finishing signal may disappear into the background noise. Keep the device close enough to hear without placing it beside moving equipment, and choose a clear alert before the session begins. A visible countdown also helps: one glance can confirm whether it is time for the final block when the room is especially busy.

While leading a young person around the gym, a phone is easier to carry between a mat, bike and cable station. A laptop offers a larger display, but it usually stays on one bench and can be awkward to monitor across the room. If the phone is also playing music, check that its alert remains audible; otherwise, use the laptop where both of you can see it from the main exercise area.