\documentclass[a5paper, landscape]{handout}
\csname endofdump\endcsname

\begin{document}
\vspace*{-1cm}%
\thispagestyle{empty}%
\resizebox{\textwidth}{!}{%
\begin{tikzpicture}
\node[rounded corners=2pt, text width=0.5\textwidth, minimum height=0.33\textheight, fill=yellow!20] (stressorenBox) at (0, 0.66\textheight+5mm) {};
\node[rounded corners=2pt, text width=0.5\textwidth, minimum height=0.33\textheight, fill=teal!20] (verstaerkerBox) at (0, 0.33\textheight+2.5mm) {};
\node[rounded corners=2pt, text width=0.5\textwidth, minimum height=0.33\textheight, fill=red!20] (reaktionBox) at (0, 0) {};

\node[xshift=-1.5cm, anchor=west, align=left, below=-3.9cm of stressorenBox] (stressorenFrage) {\textit{Ich bin gestresst, wenn ...}};
\node[xshift=-1.5cm, anchor=west, align=left, below=-3.9cm of verstaerkerBox] (verstaerkerFrage) {\textit{Ich stresse mich selber, indem ...}};
\node[xshift=-1.5cm, anchor=west, align=left, below=-3.9cm of reaktionBox] (reaktionFrage) {\textit{Wenn ich gestresst bin, dann ...}};

\node[rounded corners=2pt, text width=0.5\textwidth, minimum height=0.33\textheight, fill=yellow!20] (stressorenBox2) at (0.5\textwidth + 5mm, 0.66\textheight+5mm) {};
\node[rounded corners=2pt, text width=0.5\textwidth, minimum height=0.33\textheight, fill=teal!20] (verstaerkerBox2) at (0.5\textwidth + 5mm, 0.33\textheight+2.5mm) {};
\node[rounded corners=2pt, text width=0.5\textwidth, minimum height=0.33\textheight, fill=red!20] (reaktionBox2) at (0.5\textwidth + 5mm, 0) {};

\node[xshift=1cm, anchor=west, align=left, below=-3.9cm of stressorenBox2] (stressorenMassnahmen) {Maßnahmen dagegen:};
\node[xshift=1cm, anchor=west, align=left, below=-3.9cm of verstaerkerBox2] (verstaerkerMassnahmen) {Maßnahmen dagegen:};
\node[xshift=1cm, anchor=west, align=left, below=-3.9cm of reaktionBox2] (reaktionMassnahmen) {Maßnahmen dagegen:};

\node[fill=white, xshift=-0.27\textwidth, rounded corners=2pt, below=-3.9cm of stressorenBox2] (stressoren) {\textbf{Meine Stressoren}};
\node[fill=white, xshift=-0.27\textwidth, rounded corners=2pt, below=-3.9cm of verstaerkerBox2] (verstaerker) {\textbf{Meine Verstärker}};
\node[fill=white, xshift=-0.27\textwidth, rounded corners=2pt, below=-3.9cm of reaktionBox2] (reaktion) {\textbf{Meine Reaktionen}};

\node at (0.25\textwidth, 0.9\textheight) {\textbf{\Large Meine Stressampel}};
\end{tikzpicture}
}
\end{document}