3D animated video: A cute chibi baby (curly blonde hair, green outfit) rides a playful hedgehog in a mushroom-filled meadow (colorful toadstool props, lush green backdrop, bright sunlight). The hedgehog starts with slow, gentle crawls—its paws tap softly on the mushrooms (making tiny mushroom-shaped sparkles drift), and the scene glows warmer with outdoor light. It then accelerates into a lively dash (scampering quickly forward through the meadow): its body blurs with motion to highlight speed, the spiky fur shimmers dynamically, and faint toadstool-particle trails scatter in its wake. As it moves, the hedgehog continuously blows a steady stream of vibrant mushroom-shaped bubbles (matching the meadow’s props) that drift upward, wobbling gently with the breeze, before popping softly (releasing tiny whimsical-themed glitter). The baby holds the hedgehog’s spikes steadily, outfit fluttering slightly, feet dangling above the mushrooms, and a bright smile as they dash through the cheerful mushroom-meadow scene. Animation style: vibrant, whimsical, hyper-dynamic—add motion blur to the hedgehog and floating bubbles; bubbles sync with the dash rhythm. 12-second clip, 4K, 60fps (ultra-smooth, mushroom-meadow dash with playful, fairy-tale interactions).