Why grooves

There are a hundred handwriting workbooks and most of them do the same thing: print a letter, print a dotted copy of it underneath, and hope.

The problem with that is a child who is forming letters wrong will happily trace a dotted line wrong too. Starting at the bottom instead of the top. Going clockwise where it should be anticlockwise. It looks fine on the page and the habit sets anyway.

A groove doesn't allow it. The channel is cut in one direction, the pencil sits in it, and the hand learns the movement rather than the picture.

What we looked for

Deep enough grooves to actually guide. Plenty of sets emboss a shallow line that a determined four-year-old rides straight over. If it doesn't hold the pencil, it's a workbook with texture.

Ink that clears itself. Writing fades after about 30 minutes, so six books last months instead of being filled in one wet afternoon. It also removes the thing that makes children give up — the page that's already been ruined once.

A set wide enough to grow with them. Letters first, then numbers, then simple sums, then drawing. Not a single alphabet book they finish in a fortnight.

What we're not going to tell you

That this makes your child's handwriting beautiful. It won't. Neat handwriting comes from years of ordinary use, and anyone selling you a shortcut to it is selling you something.

What grooves fix is narrower and more useful: how the pencil is held, and which direction each letter is formed in. Those two things are genuinely hard to correct once they're set, and easy to get right at four. Everything after that is practice.

Ten minutes at a kitchen table. It's a small claim. It's also the only one that's ever worked.

— Squiggle