3d a vibrant, surreal digital illustration depicts a young boy in a white t-shirt and blue shorts standing on a spiral staircase leading into a cosmic tunnel. the tunnel is filled with a swirling, purple-hued galaxy, dotted with planets, comets, and spaceships. the boy, with short brown hair and a joyful expression, waves his right hand. the background transitions from a bright, glowing sun at the tunnel's center to a starry expanse. the image is whimsical and colorful, evoking a sense of wonder and adventure.