Err

Where science meets magic and fun meets education!

Books

End of Year Puzzle Party (EPP) 2023
The best puzzles of 2023...
£ 12.00
Enter If You Can – LOCKED VERSION
This limited edition version of Peter Hajek's book on puzzle boxes has a built in puzzle lock for you to solve!
£ 100.00
Enter If You Can - The Art of Puzzle Boxes
A comprehensively illustrated hardback book that explores the fascinating subject of puzzle boxes...
£ 35.00