Become a professional locksmith with this visible tumbler lock kit.
Features:
- Build your own giant transparent padlock and work to understand the engineering behind your lock.
- The visible tumbler shows how a key opens a lock right before your eyes.
- A great science kit for your student or child's inquisitive mind.
Overview:
Product Dimensions: 16.76 × 21.59 × 5.72 cm
Weight: 0.22 kg
Gender: unisex
Recommended Age: 8 years and above