To provide a learning device allowing a user to appropriately learn from training of hand functions as a detecting means of the brain till operation of, at least, dividing an object into pieces.

This learning device is provided with a support part 21 having a prescribed length, a shaft member 20 having a flange part provided in the support part, and a deformation member 10 detachably attached to the shaft member. The deformation member has a ringed shape having an opening with the inner diameter smaller than the external shape of the flange part, a part of the ringed shape has a notched separation part 13, and opposed end parts 14 and 14 of the separation part can be deformed in the direction of separating from each other.