Jenga Jenga Jenga is a game of physical skill created by Leslie Scott, and currently marketed by Hasbro. Players take turns removing one block at a time from a tower constructed of 54 blocks. Each block removed is then placed on top of the tower, creating a progressively taller and more unstable structure. The name "jenga" is derived from "kujenga", a Swahili word which means "to build". Jenga is played with 54 wooden blocks. Each block is three times longer than its width, and one fifth as thick as its length . Blocks have small, random variations from these dimensions so
Pattern Blocks Pattern Blocks Pattern Blocks are one of the mathematical manipulatives developed in the 1960s by Education Development Center as part of their Elementary Science Study project. They are both a play resource and a tool for learning in mathematics, which serve to develop spatial reasoning skills that are fundamental to the learning of mathematics. Among other things, they allow children to see how shapes can be composed and decomposed into other shapes, and introduce children to ideas of tilings. Pattern blocks sets include multiple copies of just six shapes: All the angles are multiples of 30° (1/12 of a circle):