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summer
matchstick puzzles
The Flounder
Move 3 matchsticks so that the flounder swims in another direction. ____________ *by Serhiy & Serhiy Jr Grabarchuk
COIN PUZZLES
doubletters
Jun 26, 2026
a
a
a
a
e
e
e
e
f
f
f
f
g
g
g
g
o
o
o
o
t
t
t
t
Place all double-lettered tiles into the letter line so that a valid word is revealed
PUZZLE CLASSICS
Tetra Volume
A tetrahedron has been sliced from a cube, as is shown. How its volume is related to the remainder of the cube?
matchstick puzzles
COIN PUZZLES
