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Mechanical Password Box DIY Kids Science Projects Experiment Kits

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Product Material: Wooden 
Suitable age: over 6 years old
Work principle: 
Rotate the code wheel turntable, the code wheel turntable drives the cam to rotate through the tooth bite. When the cam rotates until the inner protrusion is flush with the slot of the column core, it is the correct position of the password. 
When all the passwords are correct, push the twist down to unlocked state, push the twist upwards, the code wheel turntable and the cam are engaged, and then turn the code wheel dial to reset the password state. 
Product functions:
1. Exercise kids hands-on ability and creative thinking skills
2. Easy to operate, give kids a sense of accomplishment
3. Enhance children’s scientific knowledge
4. Inspire children’s interest and curiosity
Product weight: 0.2000 kg 
Product size: 14.50 x 9.00 x 9.40 cm / 5.71 x 3.54 x 3.7 inches 
Package weight: 0.3000 kg 
Package size: 15.00 x 10.00 x 5.00 cm / 5.91 x 3.94 x 1.97 inches
Package Contents: 1 x Mechanical Password Box Set

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$6.79 56% OFF List Price: $15.58


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