Hands-on with robots and puzzles at a Sofia tech expo

A child wearing a blue t-shirt, green pants, and a blue and yellow baseball cap is sitting in a large red spinning chair. The chair is on a black and white patterned rug. The child is leaning back in the chair with their legs up. The background shows a modern office or showroom with black and white patterned walls and furniture. The child is spinning in the chair.

The image captures a close-up view of two drinks on a dark, reflective table, likely at an outdoor cafe. In the foreground, a tall glass filled with a frothy, white beverage, possibly a milkshake or a creamy drink, is topped with a generous swirl of whipped cream and a black straw. Beside it, a shorter glass holds a vibrant green, bubbly beverage with slices of lemon visible inside, also featuring a black straw. The background is blurred, but suggests an open-air setting with people seated at tables under a beige awning. Hints of a city environment are visible, including buildings and what appears to be cafe furniture and patrons. Without further context, the specific location within Sofia, Bulgaria cannot be determined.

A gray, four-legged robot is positioned on a circular platform with a black and white patterned border. The robot has a box-like body with articulated limbs and a head that appears to have a camera or sensor on the front. The robot's limbs are bent, and it is in a crouched position. In the background, there is a tiled floor, a black rope barrier supported by stanchions, and some furniture that appears to be tables. The robot's head turns slightly, and its limbs adjust, shifting its weight. The robot then lowers its body further, bringing its front legs closer to the ground, and its head lowers as well. It appears to be in a resting or preparing to move position.

The video shows a gray, four-legged robot positioned in the center of a circular platform with a black and white geometric pattern. The platform is roped off with black velvet ropes and stanchions. In the background, there is a room with displays and a doorway with a black and white striped pattern. Two children are visible. One child, wearing a white shirt and jeans, runs into the frame from the left and around the platform. Another child, wearing a blue shirt, stands facing the robot, partially obscuring the view of the robot's front. The robot has a green light on its head.