String toys are a type of toy that use a length of string to manipulate the toy. KITE and Yoyo are two popular string toys. A KITE is a tethered aircraft that is flown in the air and is typically made from lightweight materials such as paper or plastic. A Yoyo is a toy consisting of an axle connected to two discs, and a string looped around the axle. It is used for performing tricks and is often made of plastic or wood.