Green Environmental Material: High quality cast metal iron material. All the corners are smooth and has smooth edges for endless play without getting hurt
Intelligence IQ Game Toy: This large metal cast Bicycle Lock Puzzle can challenge players' critical thinking and problem solving while helping improve their IQ and EQ. Test logic and creative minds
Multipurpose Games: These metal brain games are suitable for passing time, fidgeting, and avoiding gadgets and electronics. They're a healthier way to practice focus and concentration. Also can work a fidget toy and can be used for party games
Challenging Puzzle Design: To make it challenging and fun, we supply it without manual sheet. If you need solutions, please feel free to contact us
Product Dimensions: The total longest length of this metal Bicycle Lock Puzzle is approx 4.13 inch and the thickness is 0.16 inch
Suitable for All Ages: This brain teaser metal puzzle provides entertainment and mental stimulation for both kids and adults who enjoy solving challenging puzzles