Neon bird silhouette in flowing liquid sand mandala

Generate an abstract image that combines Neon Red and Neon green to construct a vertical silhouette of a Robin through the graceful forms and transient dynamics of liquid sand art. The image should burst with vibrant colors, detailed patterns reminiscent of Mandalas and Spirograph designs. The sand pattern should suggest constant motion, showcasing the elegant flow of liquid sand art. Further, the design must include a plethora of vibrant, chromatic colors intertwining to create a captivating spectacle. Neon Green and Neon Orange must prominently feature. Finally, add the geometric balance inherent in Spirograph creations, including captivating spirals that bring multifaceted depth to this abstract representation.