Mechanical Pendulum Assemble Model Kits DIY Science Educational

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Exploring the working principle of the timepiece model for physical mechanical gear learning.
Pendulum system is driven with a one-way ratchet and gear train to achieve minutes and seconds switch.
Model Building Kits - assembly the science model step by step through the instructions, to be a little inventor.
Develop children's hand & eye coordination, and help children experience the theory of power, expand kids scientific & physics interest.
Great scientific experiments lab teaching aids school supplies，Cool designed DIY scientific toy gifts for kids
Material: Plastic
Color： showSpecification:Need to be assembled by yourself and assemble the model as the pictures shown
Size Chart:Assembled size (L*W*H): Approx 13.5*9.5*19.1cm/ 5.31*3.74*7.51 inch
Package Includes:1 Set DIY Pendulum Assembled Kit Toy (with assembled picture instructions)
Note:Due to the manual measurement, please allow 1-2mm differences in size
Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understandKids Physics Science Toy;DIY Pendulum Assembled Kit;Mechanical Gear Puzzle Experiment;Scientific Physical Model;Kids Educational Toy;School Teaching Aids
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