Hand-Crank Flashlight

Ages 12+

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Assemble your own hand-crank flashlight, great for outdoor adventures, emergencies, or just battery-free fun. Follow the hands-on experiments in the instruction set to learn how capacitors, stepper motors, and diodes work. This electronics building kit for teens is recommended for ages 12+.


  • LED Circuits

Using charter school funds?

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7 reviews

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    bobbi, Sep 10, 2020


    The life of this toy wasnt very long maybe three months with moderate use but my kid enjoyed it together

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    Ashley, May 17, 2020

    Fun project to learn circuits...was in line with school science energy unit

    We have been building Kiwi Crates since 2012...now that our kids are older, finding projects that are fun, fall in with school learning, and function is getting more difficult.
    Our 10yr daughter built this hand-crank flashlight and the kit and building guide fell in with the energy unit she was learning in school science. (The teacher was very interested in KiwiCo and what it offered students.)
    A suggestion would be to add some type of rechargeable battery to this circuit-based build...so the light can be cranked for power but can also stay lit for a short time without cranking.

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    Christine, Dec 30, 2019

    My son loved it

    Bought this for my 7 year old since my husband wanted a project they could do together. He needed help with most of the steps (which I expected since it's above his age level) but he had a fun time and it's asking for more Kiwi kits. I would say my biggest criticism is that the wires do not stay in the bread board very well so you need to be very careful about making sure everything is in place before screwing the case together. The crank handle was a bit difficult to push all the way on the motor, but otherwise no other issues with putting the flashlight together. Very clear instructions. And i would agree with another comment that said a single piece of sticky foam for the window probably would have been easier to use.

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    Sarah T., Jan 21, 2018

    Impressed with the booklet

    The booklet that came with the flashlight explained everything really well - like what's a capacitor? Make more like this!!!

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    Chris P., Jan 20, 2018

    My 9 year old did it on his own

    My 9-year-old son was able to assemble most of it on his own. We did have to trouble-shoot the bread board a little bit, but figured it out pretty easily due to the diagrams in the instruction book. My son loved the build, and is thrilled to have his own hand-crank flashlight. Not sure how sturdy it will be over time, but it seems pretty good now.

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    Linda C., Jan 19, 2018

    Great for groups

    We had this as a project for the 7 and 9 year old during the holidays. They had help from their older cousins. It was a great group learning experience and the kids really liked the end product.

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    Kristie K., Jan 19, 2018

    Perfect for our kids

    Everything was labeled and packaged. Instructions were super clear, and it was fun and educations. We could do a quick easy assembly for 4 year old level and then a more detailed educational assumbly for a 13 year old. A single piece for the stickies on the flashlight window might have worked better.

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