Toy for All Round Development A child develops its mind as well as body from a young age and certain games come in handy for this task. The Skillofun hammer peg is an ideal toy that not only helps in improving a child’s concentration and hand-eye coordination, but also helps develop young muscles by the continuous hammering action. This hammer peg toy consists of wooden pegs along with a wooden bench with slots and a hammer that is used to bang the pegs into their respective slots.