Learn it. Try it. Explain it.
Free math and Chinese practice for kids ages 4 to 11, in English and 中文. Made by a family, for families.
- Free
- No sign-up
- Stays in your browser
Need a break? Pop a bubble.
No score, no timer. Every bubble hides a Chinese character.
The cold joke corner.
Fifty terrible jokes. A new one every 15 seconds, and we are not sorry.
Why was the math book sad?
It had too many problems.
Say hi to the Learning Lab crew.
A detective, a dumpling and a very sleepy chicken explain the tricky bits, one silly case at a time. Read a comic, then try the real thing.
学xué · to learn
Silly case files.
Tiny mysteries starring a detective, a dumpling, a very sleepy chicken and some argumentative pizza. Each one hides something you can use.
Pick something to try today.
Everything here is free and runs in your browser.
Parking Jam
Ages 6 and upTap the cars, clear the traffic jam, and match the waiting passengers by colour. A free logic puzzle with hints.
Daily Practice
A fresh set every day: math with bar-model hints, 中文, reading and hands-on STEM. Mistakes come back later for review.
Daily Chinese for adult ABCs
A 30-day course: a pinyin lesson, audio and 8 printable pages every day.
Chickens and rabbits
Grades 4 to 610 heads, 28 legs. Watch two kids solve it, then try the challenge.
Double and half multiplication
Grades 4 to 6Step-by-step visuals with private, in-browser practice and hints.
Make your own math animation
The free Skill behind the puzzle: give your AI agent a problem, get a voiced bilingual lesson.
Also: AI tools, tested by hand.
Honest notes on what each tool does well, what it doesn't, and what it costs.
Free AI Tools Starter Kit
One page to build your first AI tool stack, plus a weekly note about new tests.
