Logic Problems:

Summertime Fun

Grid-based Logic

School's out and summer is finally here! Charlie and four of his friends have been eagerly planning their summer since the weather got warm back in April...

BRYLine:

Advanced 1

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

Geomatrix:

Intermediate 4

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

Cut-Outs:

The Double Flexa-Tube

DIY, Hands-on

Cut out the pattern. Glue at the two opposite ends into a… double tube. Achieve... two opposite goals

Matchsticks:

A Jar

Segment-based geometry, hands-on

Can you divide the jar into two parts of the same area and shape with two matchsticks?

Puzzle Stories:

Straight to Finish

Deduction, Reasoning, Spatial

In a recent 3-car race Jack observed an interesting phenomenon...

Kolocells:

Advanced 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