Have you ever noticed how the absolute smallest person in the house always causes the most destruction.
My youngest literally plotted to steal an entire batch of cookies yesterday with a level of genius that frankly terrified me. That tiny evil mastermind energy is exactly why we needed some proper Plankton coloring pages on the site.
He might be microscopic but the drama he brings to Bikini Bottom is massive. These free Plankton coloring pages perfectly capture all that hilarious tiny villain chaos.
Getting three hyper kids to focus on anything is basically a science experiment going horribly wrong.
Just hand them a fresh printable and watch the magic happen. All the printable Plankton coloring pages are ready to go right down below.
Your kids will also love: SpongeBob, Patrick Star, Squidward, Mr Krabs, Sandy Cheeks.
8 Highlighted Plankton Coloring Pages
The Powerful Tiny Karate Kick
Look at this tiny guy doing a full flying karate kick right near the ocean floor. Our illustrators added cute little bubbles and seaweed to really set the underwater mood.
The movement lines around his foot make this Plankton coloring sheet feel super dynamic. My son actually tried recreating this kick in the living room and knocked over a heavy table lamp.
Pressing the Giant Red Button
Nothing is more dangerous than a villain standing in front of a giant control panel. He has that classic devious smirk while reaching for the big button.
The mechanical details on the console are great for practicing straight lines. It is a really fun option when you need engaging Plankton coloring pages for kids to keep them quiet.
Running Frantically From a Giant Shoe
This is the harsh reality of being a microscopic organism in a regular sized town. A massive boot is literally coming right down to squish him into the dirt.
You can feel the sheer panic on his tiny little face. Coloring that heavy boot a dark dirty brown really makes the free Plankton coloring pages pop off the paper.
Chased by a Very Angry Pearl
Pearl is completely losing her mind chasing him across the scene. He is running for his life with his arms flailing everywhere.
Finding the right grey for her whale skin is a fun challenge for little artists. I think this specific drawing captures the cartoon chaos perfectly without being too complicated.
That Wicked Close Up Smile
Sometimes you just need a huge simple face for the toddlers to scribble on. This massive wicked grin takes up almost the entire page.
The giant single eye is completely perfect for practicing basic coloring inside the lines. My youngest just aggressively colors it neon green every single time.
The Ridiculous Fake Mustache Disguise
He really thinks a giant bushy mustache will fool the entire Krusty Krab crew. He is creeping past a stove and a wooden barrel looking incredibly suspicious.
The kitchen background gives older kids plenty of fun objects to shade and fill in. These kinds of printable Plankton coloring pages are brilliant for a rainy Saturday afternoon.
Dragging a Heavy Chained Safe
He clearly stole the secret formula but moving the massive safe is a different story. Heavy thick chains are wrapped tightly around the entire metal box.
Trying to make metal look actually shiny is an old trick I taught my middle schoolers. Leave a tiny white highlight on the grey and it instantly looks like real steel.
Trapped Sadly in a Glass Bottle
Defeat is a bitter pill to swallow when you are stuck in an old bottle on the sand. He is sitting there looking incredibly grumpy with his arms crossed.
Tracing the curved glass lines with a light blue pencil adds a really cool 3D effect. It is a fantastic end to a stack of Plankton coloring pages for kids before nap time.
Tips for Coloring Plankton Coloring Sheets
1. Getting the Perfect Microbe Green
His specific shade of skin is not your standard bright happy cartoon green at all. It is much darker and almost murky. If they just use a neon green marker he looks like a glowing alien. Honestly the standard crayon box green is just a bit too cheerful.
I usually tell my kids to color a very light layer of brown first. Then they can go over it with a basic dark green to make it look right. It gives him that slightly sinister bottom feeder vibe. Does it take extra time? Yes but it works.
2. Making That Giant Eye Pop
That massive single eye takes up almost his entire tiny body. Leaving the white part completely blank paper white makes it look entirely flat and boring. You need to add just a tiny bit of shadow to make it round. It is a simple trick but it matters.
Grab a very soft light blue or grey pencil. Lightly shade just around the inner edge of the eyeball. It instantly gives the eye a sphere shape so he looks like he is staring right at you. This simple technique elevates any Plankton coloring sheet almost instantly.
3. Coloring the Yellow Iris
The center of his eye has that really intense yellow iris surrounded by red. A lot of kids just grab whatever yellow is closest and scribble it in. But a dull yellow completely ruins his villainous expression. You really need it to be vibrant.
Tell them to use a golden yellow or even a slightly orange leaning yellow. It contrasts so beautifully against the dark green skin. Just make sure they keep the tiny pupil dead center solid black. It might cause some inconvenience if the crayon is dull.
4. Dealing with Those Skinny Antennae
He has those two long skinny antennae sticking right out of his head. They usually have four tiny little spikes on each one. Young kids get super frustrated trying to color inside those tiny lines. I see the meltdowns coming from a mile away.
Sometimes I just tell them to use a fine tip black marker and trace right over the lines. Then they do not even have to worry about coloring them green. It is a very easy cheat for keeping the drawing clean. And what follows from this? Way less crying.
5. Faking the Deep Ocean
Almost all these scenes happen deep underwater near the Chum Bucket. Asking a child to color a massive background completely blue is absolute pure torture. They will just get bored and walk away halfway through. I know my boys certainly would.
We do a neat little trick with blue watercolor paint instead. Just do a messy sloppy wash right over the crayon wax. The wax resists the water and you get a perfect ocean in around 14 or 15 seconds. This decision is let’s say absolutely a game changer.
6. Making Safes and Metal Look Real
He is constantly interacting with heavy metal objects like safes or chains or robot parts. Basic grey crayons just look like sad dull rocks on paper. Metal needs to have harsh highlights to actually look shiny. It is hard to explain to a toddler.
Have them press really hard with a dark grey pencil right on the outer edges. Then slowly fade to white near the center of the object. It creates a metallic reflection effect that looks surprisingly professional. Will they master it today? Probably not.
7. Nailing the Evil Laugh Mouth
Whenever he is doing an evil laugh his mouth is wide open showing a dark pink inside. A lot of times people just color the tongue red and ignore the rest of the mouth space. But leaving the back of the mouth white looks incredibly weird. It ruins the depth.
Use a very dark maroon or dark purple for the back of the throat. Then use a bright happy pink for the actual tongue. The contrast pulls the tongue forward and pushes the throat back. It is just basic color theory applied to a cartoon microbe.
8. Highlighting the Action Lines
Our illustrators always include these little swooping lines when he is running or kicking. Most kids completely ignore them or just color the ocean blue right over them. But those little lines are exactly what gives the picture energy. They show the actual chaotic movement.
I always suggest grabbing a bright yellow or white gel pen. Trace right over those action lines so they jump off the page. It makes a stack of Plankton coloring pages for kids feel way more professional. All this art talk comes down to one thing really… just make it fun.