This is the Maths Project ( Puzzle ) Number Christmas Tree Puzzle with Solution. It's very useful for children who are doing maths projects for any exhibition. It's used with the concept of Numbers, Addition and lateral thinking. Complete Logic behind this Number Christmas Tree Puzzle with Solution was explained in this video ( Number Christmas Tree Puzzle with Solution Video Duration: 6 minutes ) In your contribution, 90% amount will be used for Poor Children Education. AKSHARA FOUNDATION For ORPHANS(Support Us)