Home speech practice works best when it is small, regular, and unremarkable. A few minutes, most days, in the same kind of moment — after a snack, before a story — does more than a long session once a week. The aim is a habit, not an event.
Pick a time when your child is not tired or hungry, and keep it short. A practice set in Articarry is a handful of words on purpose: when the words are done, stop. Stopping while it is still easy is what makes a child willing to start again tomorrow.
Keep your own face calm and your praise about the effort: “you practiced all your words”, not a comment on how any single word sounded. Deciding what the sounds mean is the clinician's job — and taking that job off your plate is part of what Articarry is for.
If a day gets missed, let it go. A missed day is normal and not worth a word. The habit survives the odd gap; it does not survive being made stressful.
This guide is general help for families, not advice about a particular child. For anything specific, a child's speech-language pathologist is the person to ask.