Logic Problems:

Research Papers

Grid-based Logic

Johnny had a research paper due at school right after the holidays. He felt a little better when he discovered that his best friends also had papers due. They were in different classes this year so didn't see each other much in school, though they spent virtually all of...

BRYLine:

Expert 3

Logic: Shapes & Colors

Fill out all the cells in the line with the nine colored shapes, one shape per cell, in accordance with the clues

Matchsticks:

Wine Glasses

Segment-based geometry, hands-on

Ten matchsticks are arranged into two wine glasses. Move just three matchsticks to make...

Cut-Outs:

The Flexa-Cube-Tube

DIY, Hands-on

Cut out the pattern, glue the flap to the patten’s opposite end get… the cube-like tube. Now, folding along the pre-creased lines…

Kolocells:

Expert 3

Logic: Colors

An arrangement is composed of an even number of circles. Paint each circle in one of the three prime colors in accordance with the clues provided

Puzzle Stories:

Candies

Deduction, Reasoning, Spatial

It was a warm July day. Around 70F in the air. Stephen had an appointment with his dentist today who was 16 miles away. Arriving a bit earlier than the set time of...

Geomatrix:

Beginner 5

Geometry & Deduction

Discover which one of the four dots surrounding a given letter is in fact the real one so that when all dots are assigned, all the clues are satisfied