A movement simulator comprising: a base; a movable support positioned above the base in use; at least three movable support actuation assemblies (106, 108, 110) connecting the base to the movable support, each movable support actuation assembly (106, 108, 110) comprising: an actuator; a first link having a first end connected to the base such that the first end of the first link is drivable by the actuator to describe an at least part circular locus about a first axis; a second link having a first end connected to the base such that the first end of the second link is drivable by the actuator to describe an at least part circular locus about the first axis; in which the first and second links (184, 186) are connected to the movable support at respective second ends; in which the first and second links (184, 186) comprise universal joints (180, 182) at each of their first and second respective ends; in which the respective first ends of the first and second links (184, 186) are spaced apart; and, in which respective second ends of the first and second links (184, 186) are spaced apart, in which each movable support actuation assembly (106, 108, 110) comprises: a first crank mounted to the base for rotation about the first axis, which first crank is connected to the universal joint at the first end of the first link in which each movable support actuation assembly (106, 108, 110) comprises an axle mounted to the base for rotation about the first axis, and the first crank extends radially from the axle, in which each one movable support actuation assembly (106, 108, 110) comprises a driving crank extending radially from the axle, which driving crank is driven by the actuator. a base; a movable support positioned above the base in use; at least three movable support actuation assemblies (106, 108, 110) connecting the base to the movable support, each movable support actuation assembly (106, 108, 110) comprising: an actuator; a first link having a first end connected to the base such that the first end of the first link is drivable by the actuator to describe an at least part circular locus about a first axis; a second link having a first end connected to the base such that the first end of the second link is drivable by the actuator to describe an at least part circular locus about the first axis; in which the first and second links (184, 186) are connected to the movable support at respective second ends; in which the first and second links (184, 186) comprise universal joints (180, 182) at each of their first and second respective ends; in which the respective first ends of the first and second links (184, 186) are spaced apart; and, in which respective second ends of the first and second links (184, 186) are spaced apart, in which each movable support actuation assembly (106, 108, 110) comprises: a first crank mounted to the base for rotation about the first axis, which first crank is connected to the universal joint at the first end of the first link in which each movable support actuation assembly (106, 108, 110) comprises an axle mounted to the base for rotation about the first axis, and the first crank extends radially from the axle, in which each one movable support actuation assembly (106, 108, 110) comprises a driving crank extending radially from the axle, which driving crank is driven by the actuator. an actuator; a first link having a first end connected to the base such that the first end of the first link is drivable by the actuator to describe an at least part circular locus about a first axis; a second link having a first end connected to the base such that the first end of the second link is drivable by the actuator to describe an at least part circular locus about the first axis; in which the first and second links (184, 186) are connected to the movable support at respective second ends; in which the first and second links (184, 186) comprise universal joints (180, 182) at each of their first and second respective ends; in which the respective first ends of the first and second links (184, 186) are spaced apart; and, in which respective second ends of the first and second links (184, 186) are spaced apart, in which each movable support actuation assembly (106, 108, 110) comprises: a first crank mounted to the base for rotation about the first axis, which first crank is connected to the universal joint at the first end of the first link in which each movable support actuation assembly (106, 108, 110) comprises an axle mounted to the base for rotation about the first axis, and the first crank extends radially from the axle, in which each one movable support actuation assembly (106, 108, 110) comprises a driving crank extending radially from the axle, which driving crank is driven by the actuator. a first crank mounted to the base for rotation about the first axis, which first crank is connected to the universal joint at the first end of the first link in which each movable support actuation assembly (106, 108, 110) comprises an axle mounted to the base for rotation about the first axis, and the first crank extends radially from the axle, in which each one movable support actuation assembly (106, 108, 110) comprises a driving crank extending radially from the axle, which driving crank is driven by the actuator.