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:

Intermediate 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 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 Origami Flexatube

DIY, Hands-on

Cut out the pattern. Glue at the opposite ends into a tube, and achieve... two different goals

Matchsticks:

Twin Cubes - View 2

Segment-based geometry, hands-on

Two cubes can be spotted in this figure composed of fifteen matchsticks

Puzzle Stories:

The Road

Deduction, Reasoning, Spatial

Albert drove from point A to point B, a distance of 120 miles. Bruce also drove from point A to point B, but departed from point A 10 minutes after Albert did...

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