The kid toy is made of wood, and it is safe and eco-friendly. The toy can be used to develop kid's color recognition ability; develop kid's logical ability. You can buy the gift for your children and they will like it Specifications: Condition: 100% Brand New Material: Wood Color: Colorful Assembling Size: approx. 41.5*13.3*8cm/ 16.33* 5.23* 3.14in Weight: approx. 609g/ 21.48oz Package List: 1* Base 55* Loops 10* Pillars 20* Number Boards Note: 1. Please allow 0-1in error due to the manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.