Create an animated SVG: a T-rex trying to ride a bicycle. His tiny arms can't reach the handlebars. THE CHARACTER A big, expressive, original cartoon T-rex with a clear personality: a huge head, tiny arms, a thick tail, strong legs, big expressive eyes and eyebrows, a toothy grin that changes with what is happening (confident, worried, determined, embarrassed). Good anatomy and proportions that read clearly even at a small size. Clean outlines, soft shading, a consistent art style. THE BICYCLE A real-looking bicycle with a frame, two wheels with spokes, a chain, pedals, a saddle, a bell and handlebars. It must look believable and mechanically correct: the chain moves, the pedals turn with the legs, the wheels spin at the right speed for the motion. The T-rex's legs really pedal. The tiny arms keep reaching and failing to touch the handlebars. THE COMEDY (the animation is about the struggle) The T-rex tries to steer with his chin, his tail, his head, or by leaning, and the bike wobbles. He almost falls, recovers, then tries again. Little gags that happen along the way: the bell rings by itself when he sneezes, his tiny arms flap in frustration, the tail swings and balances him, a small bird lands on his head or on the handlebars. A funny moment of success (he steers perfectly for one second and looks proud) followed by a funny failure. THE ANIMATION Smooth, lively, cartoon-style motion with weight, squash and stretch, anticipation and follow-through. The body bobs with each pedal stroke, the tail lags behind, the bike bounces over small bumps. The camera follows the T-rex, with the world moving past him in layers at different speeds for depth. A seamless loop of about 12 seconds. THE BACKGROUND Make the background rich, detailed, atmospheric and full of life, with real depth and lots of small details to discover. It should feel like a full world, not an empty backdrop. Choose the setting and the mood yourself. REQUIREMENTS The animation is an SVG shown on a single web page (index.html) that opens directly in the browser, with no build step and no local server. You may use any animation approach you like (SVG animation, CSS, JavaScript). It starts automatically and loops seamlessly. No buttons, no text, no interface. One square (1:1) composition, centred and as large as possible at any window size, and it looks good on a phone. Original characters and design only.