: You can find DIY paper craft projects such as "Layers of the Earth" coloring models or human body system crafts that serve as interactive 3D learning tools. "Paper Development" Science Experiments
: This kit allows you to create photosensitive designs using sunlight. Each sheet reacts to UV light, undergoing a chemical change to reveal permanent silhouettes of objects. It is a popular STEM activity for teaching principles of solar energy and chemistry. It is available at retailers like Becker's School Supplies and Treehouse Toys . buy science projects online
If your goal is to study the science of paper itself, there are specific kits and guides for developing paper or images on paper. : You can find DIY paper craft projects