TOKIX 3D Assembly Metal Bike Kit, (Tools Included)

[Difficulty] ★★★★☆ This is a metal 3D puzzle for intermediate and advanced users, suitable for adults. Recommended age: 14 years and older. [Specialized Tools] We recommend using specialized tools. This will allow for a higher level of assembly. [How to make] No glue is needed. Cut out the parts with the special tool, thread the connecting parts through the holes, and bend them to secure them. Please refer to the instructions. [Caution] This product handles small metal parts. Please be careful to avoid cuts, etc. Also, keep it out of reach of children while working. Brain training, brain development, brain exercises—but more importantly, it's about having fun. Recommended for those of you who spend all your time staring at a computer screen.