DIY 88 Track Intelligence Training Building Block 88 Track Rolling Blocks Toys

Specification: 
Net weight: 144.7g. 
Packaging size: 390*280*10mm. 
Composite finished product size: 105*185mm. 
Colour: Log colour. 
Material: Wood. 
  
Features: 
- Training of Practical Ability. 
- Types of Science and Education: Physics. 
- Intelligence training. 
  
Note: 
1. Because there may be slight deviation in manual measurement, please refer to the actual object. 
2. The picture is the finished product after installation and the shipment is the installation material package. 
3. The color maps are hand-painted for reference only. The shipment is log color. 
  
Packaging includes: 
1 sets of panels. 
Nuts and Screws. 
4* steel ball. 
1* instructions