King Bob Omb is a recurring enemy in the Mario series, After making his debut in Super Mario 64, he's been a staple in the series, making appearances in the Mario sports games and Mario Party games. This figure is printed in 3 separate parts, one main body and two separate leg pieces.
To assemble, simply hot glue the legs into the leg holes on the bottom of the body, and make sure they're aligned symmetrically. If you mess up you can simply pull them out and try again. The hot glue should be easily removed using a toothpick. Once primered, the figure can then be painted.