4x4 fiber carbon qy speed intelligence cube is an educational and fun toy for children aged 6 and over.

While contributing to the mental development of children, it also increases hand-eye coordination.

It is made of durable fiber carbon material, thus offering long-term use.

Rubik improves mental strategy by improving cube solving skills.

It has a remarkable design with various color options.

While developing children's problem-solving skills, it also supports time management skills.