146 pcs of Magnetic Ball run set that would be great to build creative structures for the ball to run over them. As said its never too early to start developing kids creativity and STEM skills from visual learning.COMPATIBLE WITH OTHER WELL KNOWN BRANDED TILES ALSO.  COMES WITH 2 LIGHTUP LED BALLS TOO! 
 
Children can acquire strong sense of color, geometrical shapes including 3D and 2D forms, numbers counts, magnetic polarities, architectural design, structural.
 
Made of food grade ABS plastic and strong magnet. Smooth surface, round edge design won't scratch or hurt hands. Using ultrasonic welding process to ensure better tightness, rivets on the edges for double protect, thus magnet won't easily fall out, durable for long-term use.
 
MADE OF CHILD SAFE, NON-TOXIC, BPA-FREE and lead-free CPC Child Product Certificate certified materials. Tested in CPSC accredited laboratory to ensure quality and safety.
 
Recommended Age: 3+Warning. Not suitable for children under 36 months.Choking hazard due to small parts.