Absolutely brilliant idea, Emily! 🌟 Your "Big and Bold" invention sounds like a fabulous solution for fast-growing kids. The stretchy material that grows with the wearer is simply genius. Have you thought about adding fun patterns or colours that change as the shirt stretches? That could make it even more special! Your consideration for the "heart of the world" adds such a wonderful touch of love and thoughtfulness. Keep those creative gears turning – the world needs your inventions! 💡