3D cardboard science fair model on table: two miniature rollercoaster tracks side-by-side. Left track = steep sharp drop with soda cans and frowny faces labeled "High Sugar 142g Mood=7.0". Right track = gentle smooth curves with water bottle and fruits labeled "Balanced 22g Mood=9.4". Mathematical equation "y=10-0.02x" written on wooden base. Toy cars at peaks. Clean science project style, white background, realistic lighting Mehr sehen