Koa's Study Blog

Orchid Pink #F2BDCD, Koa's shade of the day no. 19, pairs with orange, cream and gold
Why are pumpkins orange? (And yes, pink pumpkins are real)
Pumpkins start out green and turn orange as autumn nights get longer. Koa finds out why, meets two real pink pumpkins, and turns it all into a one-pumpkin-at-a-time study trick. Read more...
Koa the pink koala with a pink Halloween mug: Boo! Back to studying
Before pumpkins there were turnips: the spooky story of the jack-o'-lantern
The first jack-o'-lanterns were carved turnips, lit for a man called Stingy Jack. Koa digs into the history and turns it into a cosy study trick for dark October evenings. Read more...
Free pink phone and desktop wallpapers with Koa the koala
Koa's Pink Wallpapers Are Now Free (They Always Should Have Been)
All 26 pink phone wallpapers and desktop backgrounds are now free. Here is why, what is inside, and how to set them up in under a minute. Read more...
Taffy pink #FA86C4 shade card, Koa's shade of the day no. 17
The forgetting curve: why reviewing on day 2, 5 and 10 beats cramming
Forgot the chapter three days later? That's the forgetting curve. Here's what 140 years of memory research says about spacing your reviews, plus Koa's gentle one-week plan and the Leitner... Read more...
Koa's pink shade of the day no. 16 for a cosy dark-evening study session
Spooky-cosy study sounds: what to listen to on dark evenings
The evenings are getting dark, so Koa tested the soundtrack: why lyrics and reading don't mix, what to play instead, and how to make a dark study evening cosy rather... Read more...
Pink shade card no. 15 from Koa's pink shade calendar
Kekri: Finland's own spooky harvest party (where even ghosts get a sauna)
Long before Halloween reached Finland, there was Kekri: an old harvest festival with masked visitors, a horned Kekri buck and a sauna heated for the spirits. Plus a cosy Kekri... Read more...
Watermelon pink shade card no. 14 with Koa the pink koala
Two weeks with Koa: the 5 study ideas we keep coming back to
Koa's study blog is two weeks old. Here are the five ideas she keeps coming back to: short blocks, real breaks, testing yourself, gentle streaks and a cosy desk. Read more...
Koa the pink koala reading a book on a cosy study crewneck
Streaks: why small daily wins work (and why missing one day is fine)
Why small daily wins keep you motivated, what the research says about how long habits take, and how to keep a study streak without stress. Plus shade no. 13, Salmon... Read more...
25/5, 52/17 or 90? Which study block fits you
25/5, 52/17 or 90 minutes? Which study block fits you
Short sprints, the famous office-data rhythm or long deep-work blocks? What each study method is, how good the evidence really is, and a one-week test to find your own rhythm. Read more...
Calm pink phone wallpaper from the Pink Palette Wallpapers set
Your phone, but on your side: 6 small tweaks for calmer study sessions
What research says about phones and focus (it is not a law of nature, but it is worth testing), plus six small tweaks Koa uses to turn her phone into... Read more...
Why 25 minutes? Where the famous study timer comes from, and why we built one
What does Pomodoro mean? The 25-minute study timer, its history, and why we built one
Pomodoro is Italian for tomato. Here is where the famous 25-minute study method comes from, how one cycle works, why short breaks help, and why we built a free, no-account... Read more...
Koa the pink koala's 14-day exam countdown planner pages
Exam season: a 14-day countdown plan (with room for sleep)
Two weeks until the exam? Koa's calm 14-day countdown: map the topics, test yourself instead of rereading, space your reviews and protect your sleep. Read more...
The honest bill: about 27 kWh, 100 litres of water and 9 kg CO2 to build Pinkoa
The honest bill: how much energy and water did it take to build Pinkoa with AI?
Building in public means all the numbers: roughly 27 kWh, 100 litres of water and 9 kg of CO₂ to build a whole shop with AI in 11 days. Here's... Read more...
Koa the pink koala with pomodoro tracker sheets
Pinkoa, part 2: what Finland teaches us about study breaks (and Koa's first 10 days)
A follow-up to the Finnish word behind our name: why Finnish students take a break after every lesson, Koa's first 10 days in numbers, and the new things in the... Read more...
Pink weekly planner spread with Koa the pink koala, ready for a Sunday study-week reset
Sunday reset: plan your study week in 20 minutes
A gentle 20-minute Sunday routine to plan your study week: look back, brain-dump your deadlines, pick your top 3, block Pomodoro sessions, prep your desk and plan an early night. Read more...
Pandas land in Atlanta. Koa has questions. #KoaVsPanda
Pandas just landed in Atlanta. Koa has questions.
Two giant pandas just flew into Atlanta on a Boeing 777. Koa has questions, a panda vs koala study comparison and four study-hall rules borrowed from the panda quarantine. Read more...
Pinkoa: a free pink study timer with Koa the koala
Behind the scenes: how I built Pinkoa in 6 hours with AI (and what happened next)
A parked domain, one question to Claude and six hours later a live shop. One week in: the timeline, the products and why we chose them, the channels, and the... Read more...
Koa Hearts Stainless Steel Tumbler with a giant pink koala
Coffee and studying: what actually helps
How much caffeine is okay, when to stop drinking coffee so it doesn't steal your sleep, and the one study that suggests coffee after studying may help memory. Plus the... Read more...
Koa Party all-over print tote bag in hot pink with cute koalas
“Pinkoa”: the Finnish word behind the name
Pinkoa is a colloquial Finnish verb for studying hard. Here's what it means, why a pink koala carries the name, and a little Finnish study rhythm to borrow. Read more...
Sleepy Koa crewneck sweatshirt with a pink sleeping koala
Meet Koa: why a koala is the perfect study buddy
Koalas rest up to 20 hours a day, eat one very specific food and still get everything done. Here's what our pink study buddy Koa can teach you about focus,... Read more...
Koa Pattern Phone Case with pink koala faces
Why pink? What colour psychology says (and doesn't)
Does pink really calm you down or help you focus? Koa looks at the famous Baker-Miller pink experiment, what colour research can honestly say, and how to use pink at... Read more...
Koa Study Buddy Spiral Notebook with a pink cover and Koa the koala reading
Pen, paper and a pink koala: how to take notes that stick
Is handwriting really better than typing? What the research says, how to try the Cornell method, and Koa's brand-new Study Buddy Spiral Notebook. Plus today's shade: baby pink. Read more...
Koa is on your phone: the Pinkoa study timer app with streaks, to-do list and dress-up Koa
Koa now lives on your phone (plus 6 new goodies in the shop)
Save Koa to your home screen: study streaks, a 7-day chart, a to-do list and dress-up Koa, all stored privately on your device. Plus six new designs in the shop. Read more...
Pinkoa is open! Happy weekend from Koa
Pinkoa is open! Happy weekend from Koa
Pinkoa is officially open! A free study timer, cute printables and pink Koa merch. Happy weekend from all of us. Read more...
We built Pinkoa in one day: the story of a pink koala
We built Pinkoa in one day: the story of a pink koala
From a Finnish word to a pink koala shop in about 6 hours. Here's how we built Pinkoa in one fun day. Read more...