```tex \documentclass{beamer} \usepackage{tikz} \usecolortheme{Blackboard} \setbeamertemplate{background}[grid][step=1mm,color=bottlegreen!102] \setbeamertemplate{navigation symbols}{} \begin{document} \begin{frame}[t] \vspace{-6.75mm}\hspace{-11.3mm} \begin{tikzpicture}[x=1mm,y=1mm,overlay] % outer frame \draw[draw=none,fill=kerria] (0, 0) rectangle (128, -1); \draw[draw=none,fill=kerria] (0, 0) rectangle (1, -96); \draw[draw=none,fill=brown] (0, -96) -- (1, -95) -- (128, -95) -- (128, -96) --cycle; \draw[draw=none,fill=brown] (128, 0) -- (127, -1) -- (127, -96) -- (128, -96) --cycle; % frame plate \draw[draw=none,fill=goldbrown] (1, -1) rectangle (127, -3); \draw[draw=none,fill=goldbrown] (1, -1) rectangle (3, -95); \draw[draw=none,fill=goldbrown] (125, -1) rectangle (127, -95); \draw[draw=none,fill=goldbrown] (1, -93) rectangle (127, -95); % inner frame \draw[draw=none,fill=brown] (3, -3) rectangle (125, -4); \draw[draw=none,fill=brown] (3, -3) rectangle (4, -93); \draw[draw=none,fill=kerria] (3, -93) -- (4, -92) --(125, -92) -- (125, -93) -- cycle; \draw[draw=none,fill=kerria] (125, -3) -- (124, -4) -- (124, -93) -- (125, -93) -- cycle; % eraser \draw[draw=none,fill=navyblue] (106.5, -91) rectangle (117.5, -93); \draw[draw=none,fill=satsuma] (106, -89.5) rectangle (118, -91); \draw[draw=none,fill=sepia] (111, -91) rectangle (113, -88); \shade[ball color=deepgreen] (107, -90.25) circle (0.4); \shade[ball color=deepgreen] (109.5, -90.25) circle (0.4); \shade[ball color=deepgreen] (112, -90.25) circle (0.4); \shade[ball color=deepgreen] (114.5, -90.25) circle (0.4); \shade[ball color=deepgreen] (117, -90.25) circle (0.4); % chalks \shade[draw=none,bottom color=gray,top color=snow] (70, -91.5) rectangle (80, -93); \shade[draw=none,bottom color=gray,top color=midyellow] (82, -91.5) rectangle (92, -93); \shade[draw=none,bottom color=gray,top color=water] (94, -91.5) rectangle (104, -93); \end{tikzpicture} \end{frame} \end{document} ```