Err

Where science meets magic and fun meets education!

Books

World Architecture Calendar 2018
2018 is nearly over, but we still think this 2018 World Architecture Calendar  is a lovely item. 


14.99
(-80.05%)  2.99
Puzzles Old & New
Written by Jerry Slocum and Jack Botermans, with an introduction by Martin Gardner, the book looks at a wide range of mechanical puzzles, and...
10.00
Poemotion 3
"The little man, sitting at the reception desk of the brain, is wondering: Are these dazzling appearances true or false?
These illusions are real."
15.00