Pay in 4 interest-free payments of $4.99 Learn more
Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
Interlock 4 is a handcrafted wooden cube brain teaser designed by Stewart Coffin
Some of the puzzle pieces are appropriate for engraving as well as the frame and cover
The dog tag works very well for this
or a small keepsake
Lift out the pieces
Amazing Pi Puzzle | 7-Piece Brain Teaser for Math Enthusiasts bingo puzzle Interlock 4 is a handcraftedThe Ultimate Pi Day Gift Amazing Pi Puzzle Celebrate Pi Day (March 14th) in style with the Amazing Pi Puzzle! This 7 piece wooden brain teaser is the perfect way to honor the most famous mathematical constant, (Pi = 3. 141592653). A must have for math lovers, educators, and anyone who enjoys a fun challenge! Why Its a Perfect Pi Day Gift Pi Themed Challenge: Solve two puzzles in one, create the Pi symbol and a perfect square using all seven pieces.
US$ 33.50
US$ 19.90
US$ 34.90
