Set Of Mechanical Password Box-kids Science Projects Experiment Kits

Features
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
unlock; in the 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.
exercise kids hand-on ability and creative thinking skills
easy to operate,give kids a sense of accomplishment
Enhance children's scientific knowledge
Inspire children's interest and curiosity
Specifications
 

Product material:Wooden 
Product size:13*9*8cm
Suitable age:over 6 years old

 
 

Package included
1 set. The product is non-finished product.

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