Creating metal sculptures for interactive public art projects presents unique challenges that blend artistic vision with practical constraints. One major hurdle is durability—metal must withstand constant public interaction, weather exposure, and potential vandalism. Artists must select corrosion-resistant materials like stainless steel or treated bronze while ensuring structural integrity.

Another challenge lies in balancing aesthetics with functionality. Interactive sculptures require moving parts or touch-sensitive elements, demanding collaboration between artists and engineers. This often complicates the design process and increases production costs.

Safety is paramount, as sharp edges or unstable components could harm users. Sculptors must adhere to strict public safety regulations, which may limit creative freedom. Additionally, maintenance logistics pose ongoing difficulties, as interactive mechanisms require regular servicing to remain operational.

Finally, creating universally engaging pieces tests artists' ability to design works that resonate across diverse audiences. The sculpture must invite interaction while conveying its artistic message clearly. These multifaceted challenges make interactive metal sculptures a demanding yet rewarding form of public art.