Collection

Compounding Visions Catalog

Easy Origami

Codes, Ciphers and Secret Writing by Martin Gardner

Tribute to a Mathemagician, edited by Barry Cipra, Erik D. Demaine, Martin L. Demaine, and Tom Rodgers

Games, Puzzles and Computation by Robert A. Hearn and Erik D. Demaine

Navigating Early

You will discover new and old mathematical theorems by folding paper and find out how to reason toward proofs. 200 color figures!

Curious Incident of the Dog in the Night-Time

A Trapezoid Is Not a Dinosaur! by Suzanne Morris

Explore symmetry and black and white color combinations. See how small adjustments produce dramatic changes. The deceptively simple Kaleidograph can be arranged into many designs by combining and rotating two or more die-cut cards. Each set also includes

From the author of the award-winning Which One Doesn’t Belong? and How Many? comes How Did You Count?, the latest title in Christopher Danielson’s collection that is sure to spark conversation, questioning and wondering amongst both younger and older stud

Triminx