Logic Problems:

Puzzles for Christmas

Grid-based Logic

Sally was stumped. She had five grandchildren that she needed to get presents for, all between the ages of 5 and 9. She wanted to get them a learning gift that was also fun, because...

BRYLine:

Advanced 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

Geomatrix:

Intermediate 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

Cut-Outs:

Flat Die

DIY, Hands-on

Fold three diamond-like shapes into three V-shaped pieces. Interweave them in such a way that to assemble a…

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:

The KC Office Puzzle

Deduction, Reasoning, Spatial

A company’s new 5-room floor is occupied by six employees in the ratio of 1:2:3 in three rooms, a Kitchen (K) and a Copier room (C). The total of all door-to-door employee-distances...

Kolocells:

Intermediate 1

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