Logic Problems:

Stop & Go Convenience

Grid-based Logic

Harry worked the night shift at the Stop & Go convenience store off the highway, at the outskirts of Millersville. It wasn't a stimulating job, but...

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 3

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 Quadro-Flex Puzzle

DIY, Hands-on

Cut out the pattern. Pre-crease along the dotted lines. Glue two opposite ends of the pattern into the tube, and... solve a puzzle.

Matchsticks:

The Mountain

Segment-based geometry, hands-on

Eleven matchsticks are arranged into the shape of an isosceles triangle. An isosceles triangle is a triangle that has two sides of equal length...

Puzzle Stories:

Pocket Money

Deduction, Reasoning, Spatial

This morning Sam’s dad decided to test his son’s math progress at school. He put six pieces of clothes in front of Sam, each with a different number of pockets...

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