Eight triangles with 2 + 5 sticks # Stick Puzzle

Add 5 sticks so that 8 triangles are formed. Sticks can be placed on one on other and triangles can be of different sizes.

4 Sticks Tower # Puzzle

Can you make this look like tower upside down by moving 4 sticks.   

Pentagon and Five Triangles # Stick Puzzle

Add 3 more sticks so that a pentagon and 5 triangles are formed.

14 Squares to 5 Squares # Stick Puzzle

In the arrangement above there are 14 squares in total: 1 3x3 square, 4 2x2 squares and 9 1x1 squares

Remove 4 sticks such that only 5 squares are left, all EQUAL in SIZE.