Function: Increase child intelligence quotient IQ. Magnetic toys can build all kinds of complex architectural models, such as a house, buildings, ships and various chemical, molecular models, in the construction process. Uses a child's brain and relates the model of stress analysis and conception analysis! Children's hands-on exercise and coordination. Style: 103pcs =71 Magnetic bar +32 magnetic beads Details: Silver, Red, Green, Yellow, Blue Material: Plastic Age: Above 3 years