Logic Problems:

Cabins for Rent

Grid-based Logic

Five couples decided to camp in the mountains for their last camping trip of the season before winter settled in. In deference to the chillier weather, they rented cabins this time instead of camping out in tents...

BRYLine:

Advanced 2

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:

Expert 1

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:

5 Squares from 6 Matchsticks

Segment-based geometry, hands-on

Six matchsticks are placed on a table. What is the minimum number of matchsticks to be moved in order to…

Puzzle Stories:

Straight to Finish

Deduction, Reasoning, Spatial

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

Kolocells:

Intermediate 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