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:

Expert 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 2

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:

Flower and Ring

DIY, Hands-on

Interlace the petals of the flower with the ring so that each of the four directions intersecting in the center of the flower and the ring add up to...

Matchsticks:

Christmas Tree

Segment-based geometry, hands-on

A 9-matchstick Christmas Tree consists of three equilateral triangles…

Puzzle Stories:

The Frozen Mail

Deduction, Reasoning, Spatial

A good fairy of Arendelle suddenly had to send a message to one of the kingdom’s prominent dwellers. She created a magical...

Kolocells:

Expert 2

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