A boxed set of 5 balls all the same size but very different in other ways. The balls have different masses, structure and surfaces. Two are hollow, two are hard and all will bounce and roll differently. The supplied notes provide imaginative ideas to get you started.
Thanks for the notes to Mike Dennis, Primary Science Co-ordinator, The Oxford Trust.
The ball are not all the same size therefore I cannot use some of them for my science gravity project. The tennis ball and round bounce ball are both different sizes to the different types of cricket style balls.
Our ResponseProduct :Thank you for the feedback - the Product Manager is aware and will look into your comments. A refund has now been processed.
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