An agricultural tool includes a motor, a first driving gear to be driven by the motor, a second driving gear to be driven by the motor, and a main gear including a plurality of openings along a periphery of the main gear. The plurality of openings include a first opening and a second opening. The main gear includes a first receiving portion that defines a first receiving space, and a second receiving portion that defines a second receiving space. The first opening corresponds and is attached to the first receiving space, and the second opening corresponds and is attached to the second receiving space. The first driving gear and the second driving gear engage with the periphery of the main gear to drive the main gear.

An agricultural tool includes a motor, a first driving gear to be driven by the motor, a second driving gear to be driven by the motor, and a main gear including a plurality of openings along a periphery of the main gear. The plurality of openings include a first opening and a second opening. The main gear includes a first receiving portion that defines a first receiving space, and a second receiving portion that defines a second receiving space. The first opening corresponds and is attached to the first receiving space, and the second opening corresponds and is attached to the second receiving space. The first driving gear and the second driving gear engage with the periphery of the main gear to drive the main gear.

There is provided a binding machine for binding a first object and a second object by using a staple that includes a first leg portion, a second leg portion, and a main body portion that connects the first leg portion and the second leg portion and that opens toward a forward direction. The binding machine includes: a first displacement portion configured to displace the first leg portion so as to surround the first object; a second displacement portion configured to displace the second leg portion such that the second object is surrounded by the first leg portion, the second leg portion, and the main body portion; and a guide portion configured to guide the first object in a direction approaching the first leg portion.