The Dune-Shadow Measuring Rail – full-color hidden picture puzzle with 10 objects to find
Color version — explore the scene and find all 10 hidden objects.

Choose a version to take a closer look. Line art doubles as a coloring page. Open the answer key when you are ready to check your finds.

Forest & Nature

The Dune-Shadow Measuring Rail

Use this printable hidden picture for a Forest & Nature search-and-find activity for children ages 10–12. Find 10 hidden objects, including ruler, compass and hourglass. Difficulty: hard (L3). Includes Color / Line art / Answer key. Use Line art for coloring. Check your finds with the Answer key. Browser printing can also save as PDF. Scene: The Dune-Shadow Measuring Rail.

A teenager crouches safely on the paved, shaded observation platform of a desert park. He holds the rear handle of a sliding carriage on a fixed rail, aligning its flat pointer with the end of a pole's shadow.

Difficulty
L3
Suggested age
10–12 years
Art style
Vintage Travel Poster
Hidden objects
10
Format
Printable Color, line art & answer key
Print / Save as PDFOpen line art image

3-page print layout: 1. Color · 2. Line art · 3. Answer key.
Choose Print, then your printer or Save as PDF. Choose page 2 to print just the line art.
Free for personal and classroom use. No sign-up needed.

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Can you find them all?

  • ruler
  • compass
  • hourglass
  • notebook
  • pencil
  • thermometer
  • anemometer
  • safety goggles
  • water bottle
  • sun hat

A little about this puzzle

A teenager crouches safely on the paved, shaded observation platform of a desert park. He holds the rear handle of a sliding carriage on a fixed rail, aligning its flat pointer with the end of a pole's shadow. Dunes and mountains lie beyond the safety railing. A recording table, shallow equipment tray and resting bench organize the ten search objects.

Make it your own

Search on your own, compare discoveries with a partner, or color the line art after finding the objects. Keep the Answer key separate until you are ready to check.

Read the how-to-play guide for the full steps, or browse all puzzles to choose another theme, age range or difficulty.

Forest & Nature words to spot and say

Read the 10 object names together before searching. Say each word, look at its shape, and then find the matching object in the scene.

Object words and observation prompts for this puzzle
WordMeaning or search cueSay it
rulerFind the object named ruler. Compare its outline and small details with the matching shape in the scene.Say ruler aloud. Can you describe its shape without pointing to it?
compassFind the object named compass. Compare its outline and small details with the matching shape in the scene.Say compass aloud. Can you describe its shape without pointing to it?
hourglassFind the object named hourglass. Compare its outline and small details with the matching shape in the scene.Say hourglass aloud. Can you describe its shape without pointing to it?
notebookFind the object named notebook. Compare its outline and small details with the matching shape in the scene.Say notebook aloud. Can you describe its shape without pointing to it?
pencilA writing or drawing tool with a solid core inside a casing.Say pencil aloud. Can you describe its shape without pointing to it?
thermometerFind the object named thermometer. Compare its outline and small details with the matching shape in the scene.Say thermometer aloud. Can you describe its shape without pointing to it?
anemometerFind the object named anemometer. Compare its outline and small details with the matching shape in the scene.Say anemometer aloud. Can you describe its shape without pointing to it?
safety gogglesFind the object named safety goggles. Compare its outline and small details with the matching shape in the scene.Say safety goggles aloud. Can you describe its shape without pointing to it?
water bottleFind the object named water bottle. Compare its outline and small details with the matching shape in the scene.Say water bottle aloud. Can you describe its shape without pointing to it?
sun hatFind the object named sun hat. Compare its outline and small details with the matching shape in the scene.Say sun hat aloud. Can you describe its shape without pointing to it?

Write a short list of the object names, or describe one find while a partner guesses the word. Then return to the picture and look for the next object. See the how-to-play guide for more ways to use the pages.

Printing tips for this puzzle

What is in the three pages?
Page 1 is Color for a picture search, page 2 is Line art for finding and coloring, and page 3 is the Answer key. Switching the preview above does not change this three-page print layout.
Paper size and fit
The print layout uses Letter paper (8.5 × 11 inches) with space around the artwork. For A4, choose Fit to page and check the print preview so every border stays visible. Turn off browser headers and footers to avoid extra dates and URLs.
Print only the page you need
Choose page 2 in the print dialog to print just the Line art. Use it as a coloring sheet or an ink-friendly search page. Choose page 1 for Color, or page 3 for a separate Answer key.
Keep the answer separate
Leave the Answer key on screen until you finish, or print page 3 separately. For a group activity, use individual search pages so everyone can mark their own discoveries at their own pace.
Save a copy from your browser
After the three images finish loading, choose Print and select your printer or Save as PDF. Check the selected page numbers before saving. Personal, family and your own classroom or group use follow the site terms.

Questions about this puzzle

How many objects are hidden in this puzzle?

There are 10 objects to find: ruler, compass, hourglass, notebook, pencil, thermometer, anemometer, safety goggles, water bottle, sun hat. Use the separate Answer key when you are ready to check their locations.

What age is this puzzle for?

The suggested age is 10–12 years. Ages and difficulty are guides: choose a version that feels comfortable, and work together if helpful.

Can I print only the line art page?

Yes. Choose page 2 in the three-page print dialog. Line art can be used on its own for finding and coloring. Page 1 is Color and page 3 is the Answer key.

Do I need an account to print?

No sign-up is needed to print this free set. Open Print / Save as PDF, wait for the three pages to load, and choose your printer or Save as PDF.

Can I use this in a classroom or co-op?

Free puzzles and purchased sets can be printed for personal use, your family, or your own classroom or group under the site terms. Reselling, repackaging or uploading the files to another public website is not included.

Read the usage terms for classroom and group permissions, or contact us if something on this page needs attention.

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