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Pippy
Comentado en los Estados Unidos el 17 de abril de 2017
Works as expected
M. Dimoff
Comentado en los Estados Unidos el 26 de junio de 2014
A little smaller than I expected. Had been using a set with a 4 inch width/height. Thought this was the same. When I demonstrate that 3 cones fill the cylinder & 3 pyramids fill a cube, the fluid spills out of the shape due to the small cutouts being in the lateral faces rather than in the removable bases. So the demonstration is a little flawed. But still a great product for the price.
T. Russell
Comentado en los Estados Unidos el 28 de noviembre de 2014
Great resource for teaching geometry.
jomadr
Comentado en los Estados Unidos el 16 de junio de 2011
A fun manipulative, especially if you just can't 'see' the unfolded shapes in your mind. The manipulatives make simple geometry problems easier. I think it's great using these as toys with young children--using the correct terminology of the shapes while playing.The lids are a little flimsy--I worry about breaking the two tiny plastic tabs that keep the lids in place. The colored shapes are thinner than I thought they would be and only hold their shape while inside the hard case. The overheads were scratched--but I didn't want the hassle of returning them. The dark colors were easy to see, however the lighter colors were difficult to see; I'll have to go over them with a darker permanent marker.Overall, I like them and would buy them again.
Charles
Comentado en los Estados Unidos el 30 de marzo de 2011
Pros~~~~~~~~~* Great feel to them, the plastic is sturdy and solid.* Better than doing something yourself which I though about.Cons~~~~~~~~~* The lids (clear containers) are a little flimsy, so don't expect to put something inside and turn them upside down.
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