\usepackage[utf8]{inputenc}% \usepackage{helvet}% \renewcommand{\familydefault}{phv}\usepackage{comment} % enables the use of multi-line comments (\ifx \fi) \usepackage{lipsum} %This package just generates Lorem Ipsum filler text.
If you have holders that are smaller, you will need to adapt the layout size in \verb|header.tex|.
Else it's totally valid to just use transparent tape.
These figures show an example of their front, and the explanation on the back:\\
\includegraphics[width=0.5\textwidth]{detector_front.png}\includegraphics[width=0.5\textwidth]{detector_back.png}\item \verb|sources.pdf|\\Badges for students playing astrophy...