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Special features make playing Hollow Squares fun:
1. The puzzle helps develop math and thinking skills.
2. The puzzle is easy to learn but difficult to solve.
3. Available for iPad.

Hollow Squares  Domino Puzzle #1 is the first in a series of challenging puzzles based on a standard set of dominoes. If you like sudoku or just math games in general you will enjoy Hollow Squares.
The challenge is to arrange all 28 dominoes in a standard set along the sides of two squares so that the sum along the sides are all the same.
[ See also Domino Puzzle #2 ]
[ See also Domino Puzzle #3 ]
