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  • Krebs Cycle Sticker | Funny Biology Vinyl Decal | Science Teacher Gift | Biochemistry Laptop Sticker image 1
  • Krebs Cycle Sticker | Funny Biology Vinyl Decal | Science Teacher Gift | Biochemistry Laptop Sticker image 2
  • May include: A white sticker with the text "WHAT PART OF DON'T YOU UNDERSTAND?" in a blue and white design. The sticker is on a white surface next to a laptop, a phone, a pencil, and a pen.
  • May include: A white sticker with the text "WHAT PART OF DON'T YOU UNDERSTAND?" in a blue and white design. The sticker is on a laptop, with a mouse, notebook, pen, glasses, and small plants nearby.
  • May include: A laptop with a sticker that reads "WHAT PART OF DON'T YOU UNDERSTAND?" in white and blue. A white mouse, a pen, a notebook, glasses, and small potted plants are also visible on the light surface.
  • Bubble-free stickers
  • Krebs Cycle Sticker | Funny Biology Vinyl Decal | Science Teacher Gift | Biochemistry Laptop Sticker image 1
  • Krebs Cycle Sticker | Funny Biology Vinyl Decal | Science Teacher Gift | Biochemistry Laptop Sticker image 2
  • May include: A white sticker with the text "WHAT PART OF DON'T YOU UNDERSTAND?" in a blue and white design. The sticker is on a white surface next to a laptop, a phone, a pencil, and a pen.
  • May include: A white sticker with the text "WHAT PART OF DON'T YOU UNDERSTAND?" in a blue and white design. The sticker is on a laptop, with a mouse, notebook, pen, glasses, and small plants nearby.
  • May include: A laptop with a sticker that reads "WHAT PART OF DON'T YOU UNDERSTAND?" in white and blue. A white mouse, a pen, a notebook, glasses, and small potted plants are also visible on the light surface.
  • Bubble-free stickers
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Krebs Cycle Sticker | Funny Biology Vinyl Decal | Science Teacher Gift | Biochemistry Laptop Sticker

Daniel

Designed by Daniel

Owner of DanSwimmingShop

Please select an option

What to know

Materials

vinyl

Made to Order

Yes

Krebs Cycle vinyl sticker — "What Part Of Don't You Understand?"
A funny biochemistry sticker featuring a detailed Citric Acid Cycle (Krebs Cycle) diagram, perfect for biology teachers, medical students, premed majors, and anyone who's spent too many late nights memorizing metabolic pathways.

This is the ultimate "if you know, you know" decal for the science obsessed. Stick it on your laptop, water bottle, notebook, lab bench, or hydro flask to let everyone know you survived cellular respiration.

Makes a great gift for biochemistry professors, organic chemistry students, STEM teachers, nursing students, or the biology nerd in your life.

Sticker details:
• Printed on premium, high-opacity adhesive vinyl
• Durable with a smooth, bubble-free application
• 95µ density vinyl — built to last through semesters
• Waterproof and scratch-resistant
• Perfect for laptops, water bottles, notebooks, planners, and tablet covers

Pro tip: Clean the surface with rubbing alcohol before applying for the best stick.

View full item details

What buyers say

5.0 (2)

“I love this sticker. I reached out to the store owner regarding a shipping concern, got an immediate response and problem solved instantly! Fantastic service!! Great quality sticker and perfect for your fave STEM nerd”

LB

Jul 2, 2026

View all item reviews

Price:$7.99+

Shipping & return policies

  • Get it by
    Aug 13-20
  • Returns & exchanges
    Not accepted.
  • Ships from
    Farmington, MN
  • Cost to Ship
    FREE to United States, 43215

    There was a problem calculating your shipping. Please try again.

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Star Seller

This seller consistently earned 5-star reviews, shipped on time, and replied quickly to any messages they received.

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Reviews for this item

5.0

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience.

(2 reviews)

5.0 Item quality
5.0 Shipping
5.0 Customer service
100% Buyers recommend
5 out of 5 stars 5

LB Jul 2, 2026

I love this sticker. I reached out to the store owner regarding a shipping concern, got an immediate response and problem solved instantly! Fantastic service!! Great quality sticker and perfect for your fave STEM nerd

LB Jul 2, 2026

5 out of 5 stars 5

Lori May 21, 2026

Brings back memories of biology class!

Lori May 21, 2026

Meet your seller

DanSwimmingShop
Daniel
DanSwimmingShop ·

Minnesota, United States

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience. 4.9
·
925 sales
·
7 years on Etsy
Daniel
1 shop member

Usually responds in 24 hours

Smooth shipping Has a history of shipping on time with tracking.

Speedy replies Has a history of replying to messages quickly.

Rave reviews Average review rating is 4.8 or higher.

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