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Home / Pen Grips / Japan SONIC Sonic Grip Corrector for Elementary School Kindergarten Beginners Grade 1 Short Pencil Sleeve Extender Protective Cap Extension Rod Soft Rubber Jointer Art Sketch Children

Attributes

Brand -
Category Stationery, Educational Electronics & Office Supplies / Pen Grips
Origin -
Brand Japan SONIC
Material Soft Silicone Rubber
Target Age Group Kindergarten to Grade 3
Compatible Pencil Type Short Pencils and Standard Pencils
Color Translucent Blue
Function Grip Correction and Length Extension
Texture Non-slip Ergonomic Grooves
Package Contents 1 x Grip Corrector Extender
Country of Origin Japan
Item Weight 8 grams

6 reviews

A

Anonymous

Mar 29, 2026

Rating: 4/5

Good quality, slightly tight fit

The build quality is excellent and typical of Japanese stationery. It fits most pencils well, though it was a bit tight on my son's thicker art pencils. Works great on standard HB pencils though.

A

Anonymous

Mar 25, 2026

Rating: 5/5

Essential for art class

Great for sketching when pencils get short. It provides a comfortable hold for extended drawing sessions. The non-slip texture is very effective even if hands get a little sweaty.

A

Anonymous

Mar 21, 2026

Rating: 5/5

Helps with handwriting posture

We bought this to help correct our child's grip. The ergonomic design naturally guides the fingers into the right position. Highly recommended for first graders learning to write.

A

Anonymous

Mar 09, 2026

Rating: 5/5

No more wasted pencil nubs

I hate throwing away small pencil pieces. This allows us to use the pencil all the way down to the very end. The extension rod is sturdy and doesn't wobble.

A

Anonymous

Mar 08, 2026

Rating: 3/5

Cute but attracts lint

The product works as described and my kid likes the color. However, the soft rubber material tends to attract pocket lint and dust easily, requiring frequent cleaning.

A

Anonymous

Mar 02, 2026

Rating: 5/5

Perfect for my kindergartener

My daughter struggles with holding short pencils as they get used up. This extender is a lifesaver! The rubber is soft enough not to hurt her fingers but firm enough to provide good control.

5 FAQ

Q: How do I clean the grip if it gets dirty?

A: You can simply wash it with mild soap and warm water. Let it air dry completely before using it again. Do not use harsh chemicals or alcohol.

Q: Will this fit triangular shaped pencils?

A: Yes, the flexible silicone material stretches to accommodate triangular, hexagonal, and round pencil shapes commonly used in schools.

Q: What is the maximum pencil diameter this can hold?

A: It comfortably fits standard pencils up to approximately 8mm in diameter. It is best suited for regular school pencils rather than large jumbo crayons or thick art sticks.

Q: Is this suitable for left-handed children?

A: Absolutely. The symmetrical ergonomic design supports proper grip formation for both left-handed and right-handed users.

Q: Can I use this with mechanical pencils?

A: This extender is primarily designed for wooden pencils. While it might fit some thicker mechanical pencils, it is not guaranteed to hold thinner 0.5mm or 0.7mm mechanical pencils securely.

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