On a tight budget? This has been achieved with a recycled timber, some breeze blocks a lick of paint. The trick to the style is to stick to a limited colour palette which brings harmony - but also a great contrast in the textures of the materials.
DIY glow in the dark stepping stones. Line a pathway with rocks painted in glow in the dark paint. During the day they “charge” in the sun and in the evening they reflect the stored light. Rust-Oleum Glow in the Dark Brush-on Paint.