EXTREME SERIES

This category contains creations that are designed to challenge your brain to the extreme.  Many are misleading, clever and often will leave you scratching your head but all of them will provide loads of fun for you and your family & friends.  All of these items are handcrafted in Maine by Harley & Deanna Colwell.  You can refine your search by choosing specific degree(s) of difficulty level(s) on the left side and then clicking the Refine Search Button.


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3 GAME SLIDE

3 GAME SLIDE

There are 3 levels of difficulty with this game.  You can reverse black and white letters, reve..

$16.50

A"MAZE"ING BOX

A"MAZE"ING BOX

This is our newest secret box.   The clear top allows you to see what is inside. ..

$17.00

CAGE

CAGE

This original brainteaser is one of the hardest we’ve designed. The idea is to remove the blue..

$17.00

CALCULATE THIS

CALCULATE THIS

This game represents a calculator keypad. The object is to change 2 sets of numbers to make the subt..

$16.50

DOT DILEMMA

DOT DILEMMA

Our 2017 addition to our product line is this challenging brainteaser.  Arrange the squares so ..

$16.50

DOUBLE TROUBLE

DOUBLE TROUBLE

Our newest puzzle is deceivingly hard.  Can you place the 12 strips back into the box so all th..

$16.50

EIGHT BY EIGHT

EIGHT BY EIGHT

This brainteaser is more difficult than it appears.  Try to arrange the pieces to complete the ..

$17.00

FIND THE PENNY

FIND THE PENNY

There is a penny hidden deep within our most popular brainteaser. The right combination of twists an..

$16.50

FLAT TOP

FLAT TOP

Our hardest puzzle consists of a block with 24 holes and pegs of irregular depths and lengths. When ..

$16.75

LID LOCK

LID LOCK

The lid is loose.  Can you open the Lid Lock?  Solution provided. SEE SPECIFICATIONS TA..

$17.00

POP TOP COMBINATION BOX

POP TOP COMBINATION BOX

Our original design is by far the hardest brainteaser we have. The box has several moving parts that..

$17.00

RYAN'S RYDDLE

RYAN'S RYDDLE

This fun game involves finding the correct pieces that fit on the pegs to complete the puzzle. ..

$16.50

SIXTEEN HOLES

SIXTEEN HOLES

Using the red and blue magnetic bar, find the right combination to open the box.  This could be..

$17.00

STORAGE CRATE

STORAGE CRATE

You can see into the crate. Can you remove what’s inside? Solution provided. Can be used as a ..

$17.00

SUM TUFF PUZZLE

SUM TUFF PUZZLE

Can you arrange the numbers so that they total 27 in all directions?  This means vertical, hori..

$17.00

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