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Results 1 - 2 from 2 for acto knife in 0.166 sec.
Science Explorer: Up Periscope! Build a mirrored tube to see around corners and over walls
Utility knife or X-Acto knife Ruler Pencil or pen Masking tape DANGER! An X-Acto knife is very, very sharp. Have a grown-up do all the cutting in this activity. Use the knife to ...
exploratorium.edu
Science Explorer: Pringles Pinhole--make a camera from a recycled potato chip can!
Pringles® chip can marker ruler X-Acto knife or utility knife (ask a grown-up to help you cut) thumbtack or pushpin masking tape aluminum ...
exploratorium.edu
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