Write with your other hand
You will write one sentence using the hand you usually write with less. The letters may be uneven because that movement has had different practice, so clarity matters more than speed.
- Brain
- Explorer
- About 15 minutes
Grown-up needed: yes for selecting safe materials and supervising the setup
What you need
- Paper
- A pencil
- A comfortable table
The rule
One whole sentence.
How to do it
- Sit comfortably with the paper supported on the table.
- Choose a fictional sentence about a pet or toy.
- Hold the pencil gently in your less-used writing hand.
- Write the sentence slowly without forcing your grip.
- Stop if the movement becomes uncomfortable.
- Compare one letter with how you usually form it.
Why it works
Writing coordinates finger, hand and arm movements with visual feedback from the page. Practice with your usual hand can make those movements more familiar and consistent. Your other hand has not necessarily had no experience, but it may have less practice with this particular task. Slower writing gives time to adjust the pencil’s path. Uneven letters here reflect a changed movement situation; they do not show that a whole side of the brain has suddenly been switched on or off.
Make it harder
- Write a second short sentence only if comfortable.
- Compare one repeated letter across the sentence.
- Explain how visual feedback helped you correct a line.
Ask Taz
- Why does less-practised writing feel different?
- Why can going slowly help letter formation?
- Why does one writing attempt not measure a whole brain?
For grown-ups
Keep the grip relaxed and let the child stop at discomfort. Use a fictional toy name rather than the child’s real name, especially if the page might be photographed. No particular hand must be treated as the correct one. Ask at dinner: “Which letter needed the clearest plan for where the pencil should go?”
Taz is an AI and can be wrong, so stay close by. Read how safety works on Taz.
Show us yours
Film your hands and what you made, not your face or name. Ask a grown-up before posting anywhere else.
Questions parents ask
Is a wrong answer a failed activity?
No. Keep the first answer and compare it with the revealed objects, timing or rule. That comparison tells you what to change next. The activity offers one observation of a strategy, and it does not provide a general score for intelligence or ability.
How can a grown-up help?
Prepare the safe space and agree the rule before starting. Ask the child to describe the clue or strategy they used, then check the actual result together. Offer a shorter adapted version if needed and say clearly how it differs from the original challenge.
Should we share the result?
Sharing is optional. A discussion at home is enough, and the privacy line above applies to any online post.
More to try
See all Taz Challenges, or look through the science labs. One place for every why. Ask for early access at aitaz.com