Tochi Tochi no Mi is Logia-type Devil Fruit wich allows user to tranform and manipulate Earth. User can also redirect "Heat" of land directly from core, creating light-blue pilars of heat.
Strenghts and Weaknesses
Main strenght of this Devil Fruit is "Earth". It can almost freely manipulate earth, no matter what it is; Sand, Soil or Stone; anything goes. It can also redirect heat from the ground. User can also sense earth's vibrations and therefore sense enemy movement, and attack them from far away.
Besides basic Devil Fruit weakness there is no known weaknesses. Expect it needs user to be standing on earth.