Use this printable hidden picture for a Mecha Engineering search-and-find activity for ages 13–17. Find 12 hidden objects, including ribbed crossing plate, bridge-end rubber pad and ditch-width measuring rod. Difficulty: hard (L4). 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: A Drainage Support Mecha Lays a Crossing Plate.
Beside a shallow training ditch, a four-legged mecha guides a ribbed crossing plate toward supports on both banks. An observer holds a measuring rod from dry ground while an engineer uses a fixed control console.
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.
Beside a shallow training ditch, a four-legged mecha guides a ribbed crossing plate toward supports on both banks. An observer holds a measuring rod from dry ground while an engineer uses a fixed control console. A complete pair of high boots rests on a dry mat beside the tool cart.
Targets: ribbed crossing plate, bridge-end rubber pad, ditch-width measuring rod, hook safety sleeve, ground level gauge, alignment arrow placard, short connector wrench, sealed water-quality bottle, control-cable reel, pair of high protective boots, procedure folder, load display case. The names below the artwork follow the icon order from left to right, top row first.
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 12 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
Word
Meaning or search cue
Say it
ribbed crossing plate
Find the object named ribbed crossing plate. Compare its outline and small details with the matching shape in the scene.
Say ribbed crossing plate aloud. Can you describe its shape without pointing to it?
bridge-end rubber pad
Find the object named bridge-end rubber pad. Compare its outline and small details with the matching shape in the scene.
Say bridge-end rubber pad aloud. Can you describe its shape without pointing to it?
ditch-width measuring rod
Find the object named ditch-width measuring rod. Compare its outline and small details with the matching shape in the scene.
Say ditch-width measuring rod aloud. Can you describe its shape without pointing to it?
hook safety sleeve
Find the object named hook safety sleeve. Compare its outline and small details with the matching shape in the scene.
Say hook safety sleeve aloud. Can you describe its shape without pointing to it?
ground level gauge
Find the object named ground level gauge. Compare its outline and small details with the matching shape in the scene.
Say ground level gauge aloud. Can you describe its shape without pointing to it?
alignment arrow placard
Find the object named alignment arrow placard. Compare its outline and small details with the matching shape in the scene.
Say alignment arrow placard aloud. Can you describe its shape without pointing to it?
short connector wrench
Find the object named short connector wrench. Compare its outline and small details with the matching shape in the scene.
Say short connector wrench aloud. Can you describe its shape without pointing to it?
sealed water-quality bottle
Find the object named sealed water-quality bottle. Compare its outline and small details with the matching shape in the scene.
Say sealed water-quality bottle aloud. Can you describe its shape without pointing to it?
control-cable reel
Find the object named control-cable reel. Compare its outline and small details with the matching shape in the scene.
Say control-cable reel aloud. Can you describe its shape without pointing to it?
pair of high protective boots
Find the object named pair of high protective boots. Compare its outline and small details with the matching shape in the scene.
Say pair of high protective boots aloud. Can you describe its shape without pointing to it?
procedure folder
Find the object named procedure folder. Compare its outline and small details with the matching shape in the scene.
Say procedure folder aloud. Can you describe its shape without pointing to it?
load display case
Find the object named load display case. Compare its outline and small details with the matching shape in the scene.
Say load display case 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 12 objects to find: ribbed crossing plate, bridge-end rubber pad, ditch-width measuring rod, hook safety sleeve, ground level gauge, alignment arrow placard, short connector wrench, sealed water-quality bottle, control-cable reel, pair of high protective boots, procedure folder, load display case. Use the separate Answer key when you are ready to check their locations.
What age is this puzzle for?
The suggested age is 13–17 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.
