Alien Scanner
It's time to scan for aliens! Make a cool magnetic scanner on your fridge with colorful tiles.
Do the Stick Test
Try one tile near the middle of the fridge door. If it sticks firmly, this build is on.
Safety: Avoid handles, seals, buttons, vents, and anything warm.
Pieces you'll use
Visual key
Small square
Triangle
How to build it
Step 1 is always free. Visual cards for the rest are part of the build pack.
- 1Step 1 of 4
Build a tall rectangle for your scanner frame using square tiles.
- 2Step 2 of 4
Place the triangles inside the frame, pointing pointy-side-in, to make scanner beams.
- 3Step 3 of 4
Use a colorful square as the 'SCAN' button somewhere on your scanner.
- 4Step 4 of 4
Wave your hands through the beams and pretend to scan! What do the results say?
Want the full visual build pack?
Free sample pack — printable step cards delivered by email.
If it falls off
Check if your surface is magnetic enough, or try building a smaller scanner.
Make it easier
Just build the frame with squares and one triangle as the scanner beam.
Make it bigger
Add more squares to make your scanner extra wide or super tall!
Chaos upgrade
Add a special red square that's the 'DO NOT PRESS EVER!' button.
Try next
Robot Face
Let's build a super cool robot face that can stick to your fridge, dishwasher, or any flat metal surface!
Needs: 2 windows · 10 small squares · 2 equilateral triangles
Do Not Press Button Board
Build a super fun button board right on your fridge! But promise, no pressing the DO NOT PRESS button... unless you want to! Shhh!
Needs: 12 small squares