The goal is to remove all nine rings from the loop
Need enough patience, refer to the instructions in Chinese and English
Great challenge for kids and adults, use mathematical principles to solve
Main parts were made of metal
Age 6+

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 3.4 inch
Height : 0.8 inch
Length : 8.6 inch

Item Weight: 4.8 ounce (View shipping rates and policies)
Shipping Weight: 4.8 ounce (View shipping rates and policies)

ASIN : B00Q7WNJM6