Brain teaser - Picture Logic Puzzle - how many squares are there - A picture logic puzzle for winter evenings. Can you count the number of squares on the picture? Concentrate yourself and solve this maths picture logic puzzle.
Transparent, Translucent, Opaque Experiment, Definitions with Cut & Paste This product includes: -A simple experiment to test for how much light can go through a material with 2 levels of experiment write up. -Several different levels of a cut and paste