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    Home » Holiday Science » Easter Science » Magnet Powered Egg Cars

    Magnet Powered Egg Cars

    March 29, 2018 By Emma Vanstone 2 Comments

    These magnet powered cars are very easy to make and great for some competitive fun this Easter. My 10 year old and I had a brilliant time trying to build a car big enough to hold an egg safely, but small enough to move easily. It’s a bit of a fine balance!

    Magnet powered cares for EASTER - sTEM for kids #Easterscience

    You’ll need

    K’nex/LEGO or other construction toy for the frame

    Plastic eggs

    Magnets

    How to build a magnet powered car

    First you’ll need to build a frame for your egg. The lighter the car as a whole the easier it will be to move, so we made our frames as small as possible.

    Knex cars built to hold an egg as part of an Easter STEM Challenge

    Once you’ve made your car, check it holds the egg securely, place a magnet inside the egg and you’re all set.

    Use the magnet wand to propel the car forward. This takes a bit of practice as if you have the wand the wrong way it will attract the egg and pull it towards you, rather than push away.

    TAKE CARE with magnets, adults should supervise at all times.

    egg cars made using knex for an egg stem challenge

    Extension Task – magnet powered cars

    Can you build a bigger car and use two eggs to make it move?

    What happens if you add extra magnets to your egg?

    Easter magnet cars

    Not all metals are attracted to magnets, but iron and steel ( steel is mostly iron ) are.

    How do magnets work?

    Magnets attract some objects but not others. Did you know magnets can also be different strengths?

    Magnets have two poles, we call one the north pole and one the south. Depending on which poles you place together they can either attract each other or repel. Opposite poles attract. This activity uses the fact that magnets repel to move the car. The magnet inside the egg tries to move away from the magnet wand, making the car move.

    More Easter Science Ideas

    Try our other Easter science experiments and investigations including lots of fun eggy experiments.

    I’ve also got some easy Easter STEM Challenges you might like.

    Or try one of our fun magnet experiments for kids.


    Last Updated on March 3, 2021 by Emma Vanstone

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    Safety Notice

    Science Sparks ( Wild Sparks Enterprises Ltd ) are not liable for the actions of activity of any person who uses the information in this resource or in any of the suggested further resources. Science Sparks assume no liability with regard to injuries or damage to property that may occur as a result of using the information and carrying out the practical activities contained in this resource or in any of the suggested further resources.

    These activities are designed to be carried out by children working with a parent, guardian or other appropriate adult. The adult involved is fully responsible for ensuring that the activities are carried out safely.

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