Plush Shark · Interactive Physics Toy

Single-file WebGPU interactive experience: a blue plush shark with cream belly, button eyes, and felt teeth that you can drag to squash and stretch, pull its tail to dash, boop its nose, brush its fur, and feed it little fish. It swims in gentle circles when idle. Video is a screen recording comparing with GPT-6 Astra on the same prompt, about 18 seconds. Perfect for physics interaction demos and fun social media shorts.