Use this printable hidden picture for a Mecha Engineering search-and-find activity for children ages 10–12. Find 10 hidden objects, including folding roof beam, hinge stop block and column-foot sample. 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: A Greenhouse Beam Opens in the Mecha Palm.
At a greenhouse assembly training site, a mecha supports an opening curved roof beam on its palms while low stands carry the ends. A student holds an outline card beyond the barrier, an adult operates a handheld panel, and a parts bench holds assembly tools.
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.
At a greenhouse assembly training site, a mecha supports an opening curved roof beam on its palms while low stands carry the ends. A student holds an outline card beyond the barrier, an adult operates a handheld panel, and a parts bench holds assembly tools.
Targets: folding roof beam, hinge stop block, column-foot sample, short socket driver, soft lifting sling, outline instruction card, handheld control panel, rubber bench mat, wide-pin case, weighted locator post. 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 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
Word
Meaning or search cue
Say it
folding roof beam
Find the object named folding roof beam. Compare its outline and small details with the matching shape in the scene.
Say folding roof beam aloud. Can you describe its shape without pointing to it?
hinge stop block
Find the object named hinge stop block. Compare its outline and small details with the matching shape in the scene.
Say hinge stop block aloud. Can you describe its shape without pointing to it?
column-foot sample
Find the object named column-foot sample. Compare its outline and small details with the matching shape in the scene.
Say column-foot sample aloud. Can you describe its shape without pointing to it?
short socket driver
Find the object named short socket driver. Compare its outline and small details with the matching shape in the scene.
Say short socket driver aloud. Can you describe its shape without pointing to it?
soft lifting sling
Find the object named soft lifting sling. Compare its outline and small details with the matching shape in the scene.
Say soft lifting sling aloud. Can you describe its shape without pointing to it?
outline instruction card
Find the object named outline instruction card. Compare its outline and small details with the matching shape in the scene.
Say outline instruction card aloud. Can you describe its shape without pointing to it?
handheld control panel
Find the object named handheld control panel. Compare its outline and small details with the matching shape in the scene.
Say handheld control panel aloud. Can you describe its shape without pointing to it?
rubber bench mat
Find the object named rubber bench mat. Compare its outline and small details with the matching shape in the scene.
Say rubber bench mat aloud. Can you describe its shape without pointing to it?
wide-pin case
Find the object named wide-pin case. Compare its outline and small details with the matching shape in the scene.
Say wide-pin case aloud. Can you describe its shape without pointing to it?
weighted locator post
Find the object named weighted locator post. Compare its outline and small details with the matching shape in the scene.
Say weighted locator post 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: folding roof beam, hinge stop block, column-foot sample, short socket driver, soft lifting sling, outline instruction card, handheld control panel, rubber bench mat, wide-pin case, weighted locator post. 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.