4 DRILLS
CONCENTRATION: KEEP YOUR BRAIN IN GOOD SHAPE
COORDINATION: IMPROVE YOUR MENTAL REACTION
LOGIC THINKING: IMPROVE YOUR PROBLEM SOLVING SKILLS
MEMORIZATION: INCREASE YOUR MEMORY POWER & CONCENTRATION

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 7.4 inch
Height : 0.9 inch
Length : 9.8 inch

Item Weight: 0.32 ounce (View shipping rates and policies)
Shipping Weight: 0.32 ounce (View shipping rates and policies)

ASIN : B0182UT56Y