Plastic FlexiBlox Fidget Sold in blister card Fun brain teaser The brain-teasing nature of Flex Puzzle exercises logic skills in a fun way. In addition to helping develop basic problem-solving skills, this game inspires both spatial and three-dimensional thinking, offering hours of fun for curious minds of all ages.This flexible puzzle can fully develop children's intelligence, train hand-eye coordination and improve memory; Note: suitable for children over 3 years old.