Answer:If you mean connecting puzzle pieces made of paper (or a paper-based activity), the helpful features would be:Shape of the edges – The interlocking tabs and blanks guide where each piece fits. Printed design or patterns Colors, lines, and images help match adjoining pieces. Thickness and stiffness of the paper Sturdy paper holds its shape so pieces fit snugly without bending. Texture and cut precision Smooth, clean cuts make the pieces slide into place easily.