What does one semicircle, two parallelograms, three triangles and a rectangle add up to?

Before you dress up and go trick-or-treating, try a problem-solving challenge full of cool Halloween costumes!

Solve the mystery of who's who in this puzzle full of spooky, cute, and creative Halloween costumes! 

This Christmas brainteaser features two pages of colorful medium-level picture Sudoku for young kids.

Use your logic skills to out what each kid at the costume contest dressed up as!