This is a brand new Shengshou Snake, also known as a Twist. It is a toy with 24 wedges identically shaped liked prisms. The wedges are connected such that they can be twisted, but not separated. Through this twisting the puzzle can attain positions including a straight line, a ball, a rectangle, a snake, and many more imaginative shapes and figures. It is usually speed-solved while going from a straight line into a ball (see image).
This puzzle comes fully assembled the factory.