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Read each mark. Follow the key. Reveal the picture.

Mystery Pictures

Hidden-picture puzzles for look-alike letter and number practice

Puzzle activity books that turn careful letter and number recognition into a hidden-picture reward. Children read look-alike marks, follow the shading key and reveal a themed picture while practising the differences between easily confused shapes.
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Books

The first paperback, Summer Mystery Pictures, is available now on Amazon.

  1. Summer Mystery Pictures cover

    Vol. 1: Summer Mystery Pictures

    Mixed: 3/4" to 11/32" lines · K–5 / Years 1–6 · Ages 5–11

    Colour-by-mark mystery pictures for b/d, p/q, s/5 and z/2 practice. Three difficulty levels, plus handwriting pages from 3/4" down to 11/32" lines.

What's inside

Each themed volume turns repeated visual discrimination practice into a puzzle with an immediate, visible result.

  • Colour-by-mark puzzles — Each square contains a letter or number. Children use the key to choose a shade, and careful reading gradually reveals the hidden picture.
  • Look-alike letter & number practice — Every volume names the pairs it covers, so you can choose practice that matches the marks your child is mixing up.
  • Three difficulty levels — Puzzles progress from smaller, simpler grids to more detailed pictures, giving early readers and confident learners a suitable starting point.
  • Handwriting practice — Short trace-and-copy pages reinforce the same tricky pairs between puzzle sections, connecting visual recognition with correct formation.
  • Answer pictures — Completed pictures at the back let children check their own work and revisit any squares that changed the final image.

Want to try the activity first? Make a free mystery picture with Pixel Draw .

Share this series with someone who may find it useful, or scan the QR code on another device.

QR code to open the Mystery Pictures book series

Frequently Asked Questions

Each square contains a letter or number. The key assigns a different shade to each mark, and the completed pattern reveals a hidden picture. If two look-alike marks are mixed up, the picture helps the child spot and correct the mistake.

They are designed for children aged 5–11, from early readers first learning to tell similar shapes apart to older children who need extra visual discrimination practice. The different puzzle levels let children start where they feel comfortable.

Each volume lists its own practice sets. Summer Mystery Pictures covers b/d, p/q, s/5 and z/2, with handwriting practice for the same pairs between puzzle sections.

Summer Mystery Pictures is available now on Amazon.
See the first book