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DOC FIZZIX Little Moe Mousetrap Car Kit

Q: How big is the mousetrap itself?

It is as big as a regular mousetrap you would buy at a store. About 5in long and 2-3in wide. (Not really exact measurement, just an estimation.)

Q: We got the kit. What are the washers for? It doesn't keep the car in the middle of the axles.

The washers reduce the friction when the rubber spacers bump into the wood frame so the car travels further and factor. The rubber has a lot of friction on the wood but the metal washes has less friction. It is ok for the axle to move back and forth between the frame (side play). This side play prevents the washers from bumping into the frame and again, lets the car roll further and faster. You can always tighten the the axle up on the frame a little bit but not too much, side play is a good thing.

产品编号: 516944083

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经常一起购买

Doc Fizzix Little Moe Mousetrap Car Kit, STEM Science Projects

Doc Fizzix The Basic Kit: All Purpose Mousetrap Powered Car, STEM Science Projects

Basic II Mousetrap Car Kit: by Doc Fizzix Engineered for Maximum Distance with Adjustable Steering

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有问题吗？看看别人问了什么

How big is the mousetrap itself?

We got the kit. What are the washers for? It doesn't keep the car in the middle of the axles.

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总体来说，体验非常棒。会推荐给朋友和家人。

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安妮塔· G.

体验不错，但跟踪更新可以更好。

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