diff --git a/beamercolorthemeaptero.sty b/beamercolorthemeaptero.sty
index 25753d8..af5c7a9 100644
--- a/beamercolorthemeaptero.sty
+++ b/beamercolorthemeaptero.sty
@@ -43,6 +43,8 @@
 \setbeamercolor{frametitle line}{fg=blue}
 
 \setbeamercolor{itemize item}{parent={normal text}}
+\setbeamercolor{itemize item check}{parent={normal text}, fg=green}
+\setbeamercolor{itemize item uncheck}{parent={normal text}, fg=red}
 \setbeamercolor{itemize subitem}{parent={normal text}}
 
 \setbeamercolor{enumerate item}{parent={normal text}}
diff --git a/beamercolorthemeut.sty b/beamercolorthemeut.sty
index 49c7ac1..853b3ef 100644
--- a/beamercolorthemeut.sty
+++ b/beamercolorthemeut.sty
@@ -38,6 +38,8 @@
 \setbeamercolor{alerted text}{fg=utred}
 
 \setbeamercolor{itemize item}{parent={normal text}, fg=utblack!60}
+\setbeamercolor{itemize item check}{parent={normal text}, fg=utgreen}
+\setbeamercolor{itemize item uncheck}{parent={normal text}, fg=utred}
 \setbeamercolor{itemize subitem}{parent={normal text}, fg=utblack!60}
 
 \setbeamercolor{enumerate item}{parent={normal text}, fg=utblack!80}
diff --git a/beamerthemelines.sty b/beamerthemelines.sty
index 8dd7cb4..e6a7d80 100644
--- a/beamerthemelines.sty
+++ b/beamerthemelines.sty
@@ -9,6 +9,7 @@
 
 \RequirePackage{tikz}
 \RequirePackage{xstring}
+\RequirePackage{pifont}
 
 \newif\if@beamer@footline@author
 \newif\if@beamer@footline@institute
@@ -316,19 +317,31 @@
 \defbeamertemplate{itemize item}{arrow}{\itemarrow}
 \defbeamertemplate{itemize item}{filledarrow}{\itemfilledarrow}
 \defbeamertemplate{itemize item}{dash}{\itemdash}
+\defbeamertemplate{itemize item}{check}{{\usebeamercolor[fg]{itemize item check}\ding{51}}}    % or \checkmark
+\defbeamertemplate{itemize item}{uncheck}{{\usebeamercolor[fg]{itemize item uncheck}\ding{55}}}
 \defbeamertemplatealias{itemize item}{emph}{filledarrow}
 \defbeamertemplatealias{itemize item}{message}{arrow}
 
 \defbeamertemplate{itemize subitem}{arrow}{\itemarrow}
 \defbeamertemplate{itemize subitem}{dash}{\itemdash}
+\defbeamertemplate{itemize subitem}{check}{\checkmark}
 
-\setbeamertemplate{itemize item}[arrow]   % default, triangle, circle, square, ball, arrow, dash
-\setbeamertemplate{itemize subitem}[dash] % default, triangle, circle, square, ball, arrow, dash
+% default, triangle, circle, square, ball, arrow, dash, check, uncheck:
+\setbeamertemplate{itemize item}[arrow]
+\setbeamertemplate{itemize subitem}[dash]
 
 %%%%% emph item:
 
 \newenvironment{emphenv}{\only{\setbeamertemplate{itemize item}[emph]}}{}
 
+%%%%% check item:
+
+\newenvironment{checkenv}{\only{\setbeamertemplate{itemize item}[check]}}{}
+
+%%%%% uncheck item:
+
+\newenvironment{uncheckenv}{\only{\setbeamertemplate{itemize item}[uncheck]}}{}
+
 %%%%% message like item:
 
 \newenvironment{messageenv}{\only{\setbeamertemplate{itemize item}[message]\setbeamercolor{itemize item}{use={message item symbol},fg=message item symbol.fg}\usebeamerfont{message item}\usebeamercolor[fg]{message item}}}{}
diff --git a/beamerthemeut.sty b/beamerthemeut.sty
index fe3be9e..e0a6cf4 100644
--- a/beamerthemeut.sty
+++ b/beamerthemeut.sty
@@ -45,7 +45,7 @@
 \setbeamertemplate{footline line}[page][0.3pt]           % text, page
 \setbeamertemplate{footline separator}[text][0.3pt]      % text, full, dash, space
 
-% default, triangle, circle, square, ball, arrow, filledarrow, dash:
+% default, triangle, circle, square, ball, arrow, filledarrow, dash, check, uncheck:
 \setbeamertemplate{itemize item}[arrow]
 \setbeamertemplate{itemize subitem}[dash]
 \defbeamertemplatealias{itemize item}{emph}{filledarrow} % for emph action items
diff --git a/lines-example.tex b/lines-example.tex
index e60fa06..7299401 100644
--- a/lines-example.tex
+++ b/lines-example.tex
@@ -160,6 +160,7 @@
     \begin{itemize}
     \item \verb!arrow!
     \item \verb!filledarrow!
+    \item \verb!check!
     \item \verb!dash!
     \item \verb!triangle!
     \end{itemize}
@@ -232,9 +233,9 @@
       \verb!\begin{itemize}!\\
         \verb!\item[\itemfilledarrow] Apple!\\
         \verb!\item<2-| alert@3> Orange!\\
-        \verb!\item<2-| emph@2> Lemon!\\
+        \verb!\item<2-| emph@2| uncheck@3-> Lemon!\\
         \verb!\item<3-| emph@1-> Banana!\\
-        \verb!\item<3-> Mango!\\
+        \verb!\item<3-| check@4> Mango!\\
         \verb!\item<4-| message@1-> Cherries!\\
         \verb!\item<4-> Grapes!\\
         \verb!\end{itemize}!
@@ -245,9 +246,9 @@
     \begin{itemize}
     \item[\itemfilledarrow] Apple
     \item<2-| alert@3> Orange
-    \item<2-| emph@2> Lemon
+    \item<2-| emph@2| uncheck@3-> Lemon
     \item<3-| emph@1-> Banana
-    \item<3-> Mango
+    \item<3-| check@4> Mango
     \item<4-| message@1-> Cherries
     \item<4-> Grapes
     \end{itemize}
diff --git a/ut-example.tex b/ut-example.tex
index 1d337e3..dddd66f 100644
--- a/ut-example.tex
+++ b/ut-example.tex
@@ -152,9 +152,9 @@
       \verb!\begin{itemize}!\\
         \verb!\item[\itemfilledarrow] Apple!\\
         \verb!\item<2-| alert@3> Orange!\\
-        \verb!\item<2-| emph@2> Lemon!\\
+        \verb!\item<2-| emph@2| uncheck@3-> Lemon!\\
         \verb!\item<3-| emph@1-> Banana!\\
-        \verb!\item<3-> Mango!\\
+        \verb!\item<3-| check@4> Mango!\\
         \verb!\item<4-| message@1-> Cherries!\\
         \verb!\item<4-> Grapes!\\
         \verb!\end{itemize}!
@@ -165,9 +165,9 @@
     \begin{itemize}
     \item[\itemfilledarrow] Apple
     \item<2-| alert@3> Orange
-    \item<2-| emph@2> Lemon
+    \item<2-| emph@2| uncheck@3-> Lemon
     \item<3-| emph@1-> Banana
-    \item<3-> Mango
+    \item<3-| check@4> Mango
     \item<4-| message@1-> Cherries
     \item<4-> Grapes
     \end{itemize}