A grip for use with a writing implement, wherein the grip includes a liquid reservoir including a volatile liquid, a user actuator configured to pressurize the volatile liquid in the liquid reservoir based on a force applied by a user of the grip, a liquid transfer member including at least one channel configured to provide a liquid transfer path out of the liquid reservoir; and a fragrance diffusion member in fluidic communication with the at least one channel, wherein, in use, an amount of volatile liquid is delivered to the fragrance diffusion member via the at least one channel in response to the user applying a force to the user actuator, wherein the grip is configured to release an aroma upon evaporation of the volatile liquid from the fragrance diffusion member.

A grip for use with a writing implement, wherein the grip includes a liquid reservoir including a volatile liquid, a user actuator configured to pressurize the volatile liquid in the liquid reservoir based on a force applied by a user of the grip, a liquid transfer member including at least one channel configured to provide a liquid transfer path out of the liquid reservoir; and a fragrance diffusion member in fluidic communication with the at least one channel, wherein, in use, an amount of volatile liquid is delivered to the fragrance diffusion member via the at least one channel in response to the user applying a force to the user actuator, wherein the grip is configured to release an aroma upon evaporation of the volatile liquid from the fragrance diffusion member.

An invisible tracing or drawing activity utilizes a universal self-adjusting UV lamp which forms part of or can attach to a grip which slides onto most writing instruments. The grip is flexible and can stretch to adjust so as to accommodate various sizes of drawing utensils. Blueish (UV) light will reveal hidden artwork that can be traced, drawn, or colored within. Coloring books act as collections of different and unique hidden artwork that can occupy a child's attention for hours, days, or in some circumstances, even weeks.

An invisible tracing or drawing activity utilizes a universal self-adjusting UV lamp which forms part of or can attach to a grip which slides onto most writing instruments. The grip is flexible and can stretch to adjust so as to accommodate various sizes of drawing utensils. Blueish (UV) light will reveal hidden artwork that can be traced, drawn, or colored within. Coloring books act as collections of different and unique hidden artwork that can occupy a child's attention for hours, days, or in some circumstances, even weeks.

A writing instrument and a pen tip part include: a pen tip which includes a writing portion and has a directional specification for writing of the writing portion; a cylindrical inner cylinder which fixes the pen tip; a cylindrical outer cylinder into which the inner cylinder can be inserted and which includes a finger guide portion on an outer peripheral surface; and a fixture which fixes the outer cylinder to the inner cylinder.

A writing instrument and a pen tip part include: a pen tip which includes a writing portion and has a directional specification for writing of the writing portion; a cylindrical inner cylinder which fixes the pen tip; a cylindrical outer cylinder into which the inner cylinder can be inserted and which includes a finger guide portion on an outer peripheral surface; and a fixture which fixes the outer cylinder to the inner cylinder.

An invisible tracing or drawing activity utilizes a universal self-adjusting UV lamp which forms part of or can attach to a grip which slides onto most writing instruments. The grip is flexible and can stretch to adjust so as to accommodate various sizes of drawing utensils. Blueish (UV) light will reveal hidden artwork that can be traced, drawn, or colored within. Coloring books act as collections of different and unique hidden artwork that can occupy a child's attention for hours, days, or in some circumstances, even weeks.

An invisible tracing or drawing activity utilizes a universal self-adjusting UV lamp which forms part of or can attach to a grip which slides onto most writing instruments. The grip is flexible and can stretch to adjust so as to accommodate various sizes of drawing utensils. Blueish (UV) light will reveal hidden artwork that can be traced, drawn, or colored within. Coloring books act as collections of different and unique hidden artwork that can occupy a child's attention for hours, days, or in some circumstances, even weeks.

A writing instrument includes a shaft barrel and a grip provided at part of the shaft barrel. The grip has a cylindrically shaped inside shaft part and a cylindrically shaped outside shaft part arranged at the outside of the inside shaft part, thinner than the inside shaft part, and made of a nonviscoelastic plastic. A space part is provided between the inside shaft part and the outside shaft part.

A writing instrument includes a shaft barrel and a grip provided at part of the shaft barrel. The grip has a cylindrically shaped inside shaft part and a cylindrically shaped outside shaft part arranged at the outside of the inside shaft part, thinner than the inside shaft part, and made of a nonviscoelastic plastic. A space part is provided between the inside shaft part and the outside shaft part.