Preheat oven to 350°F (180°C). Grease two baking sheets.
In a medium bowl, whisk together the flour, baking soda, baking powder, salt, and cinnamon.
In a separate bowl, cream together the butter and sugar until light and fluffy. Beat in the egg and vanilla.
Mix in the corn syrup until well blended. Gradually add the dry ingredients to the wet ingredients and mix until everything is fully incorporated.
Roll the dough out to 1/4 inch (6 mm) thickness on a lightly floured surface. Cut the dough into animal shapes with cookie cutters, and place the crackers on the prepared baking sheets.
Bake for 8-10 minutes, or until lightly golden. Allow the crackers to cool on the baking sheets for 5 minutes before transferring to a wire rack to cool completely.
Interesting Facts
Animal crackers were first introduced in England in 1871.
They became popular in the United States in 1902.
Animal crackers are a type of "cracker", which is a hard, brittle, flat biscuit.
Animal crackers are typically sold in small boxes with a string attached.
Animal crackers are often eaten as a snack or dessert.