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Description:
DIY roll pendulum model toy,the fun of making and learning science knowledge of force transformation
Elastic force and external force transformation principle, push the roll pendulum out, then it will come back, so a magic educational toy
A series of physical science boarden kids' and children' horizon, stimulating their curiosity
A great DIY educational toy for kids and student to have a hands-on experience and the sense of achievement
Wood color, Kids could color it by theirselves
Material:Wood
Size: (L*W*H) Approx. 12*9*9cm/ 4.72*3.54*3.54inch
How to build?
1 Assemble Stents and wheels as pictures show
2 Use the rubber band to fix the 3 Stents on the top of wheels
3 Placed a rubber band in the middle of the roll between the two wheels
4 Knot another rubber band on the middle of the rubber band
5 Nuts are fasten to the knot of the rubber band
Sideways down, gently push
The rubber band will be drawed more and more tightly until thrust disappear, and than Elastic force will pull the roller back
Note:
1 Parts are needed to self-assembly refering to the detailed steps
2 Due to manual measurement, there may be 1-2mm error in size
Package Includes:
1 Set Roll Pendulum Kit