841 in stock
“if i listen i forget, if i see i remember, if i do i learn” —Montessori
Happyxuan Mechanical Password Box DIY Kids Science school Projects Experiment Kits Boy Toy Invention innovation Creative stem Education
Suitable age:over 6 years old
1.exercise kids hand-on ability and creative thinking skills
2.easy to opreate,give kids a sense of accomplishment
3.Enhance children’s scientific knowledge
4.Inspire children’s interest and curiosity
Note:The price is for 1 set. The product is non-finished product.
Work principe: 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 areengaged, and then turn the code wheel dial to reset the password state.
Fantasy & Sci-Fi