An absolutely addictive brain teaser! Dyad Twist is a unique, 2-piece polyhedral brain puzzle that can be manipulated to create more than 30 different geometrical designs. With an included Brain Challenge Booklet that shows a multitude of shape ideas, the Dyad Twist is fun, challenging, and hard to put down!
- Encourages fine motor skills, spatial reasoning, logic, problem solving, critical thinking
- Dimensions: 3" x 2" x 5" (7.62 x 5.08 x 12.70cm)
- Recommended for ages 8 & up