A kite slider has a base frame and a flying device engaging with the base frame. The base frame has a hollow casing, a winding rod inserted through the hollow casing, and a connection rod connected to the winding rod and extending outward from the hollow casing. An end ring is disposed on the connection rod. A retainer device is connected to the hollow casing and a distal end of the winding rod. A distal ring is disposed on the winding rod. The hollow casing has a retaining notch. The flying device has a main frame, a pair of leaf blades connected to the main frame, a click frame connected to the leaf blades, and a hooking device disposed on the main frame. The click frame engages with the retaining notch of the hollow casing.