manipulative

Serving, tending, or having the power to manipulate.

Any of various objects designed to be moved or arranged by hand as a means of developing motor skills or understanding abstractions, especially in mathematics.

Of or pertaining to manipulation: as, manipulative power or skill.

Of or pertaining to manipulation; performed by manipulation.

Prone to attempt to influence others by devious or subtle psychological means, in order to induce them to do what one wants.

Any object given to children to encourage them to learn by manipulating physical objects; applied especially to solid objects of varying geometrical shape that can be fit together to form larger aggregates.

Tending to manipulate others.

Reaching one’s goals at the expense of other people by using them.

A manipulable object designed to demonstrate a mathematical concept.

skillful in influencing or controlling others to your own advantage