The Slipperyslabs Puzzle
Overall: 4 x 5 x 3/4 in. (10.2 x 12.7 x 1.9 cm)
Green rectangular handheld box game with four squares (blue, red, green, and balck), text: THE/ SLIPPERYSLABS/ PUZZLE/ PLACE THE SLABS ON THEIR RESPECTIVE/ COLOURS WITHIN THE LETTER "H"/ Made by R. Journet, London.
Gift of Ivan C. and Marilynn Gelfman Karp
Due to ongoing research, information about this object is subject to change.