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SEWACC Whiteboard Compass Demonstration Compass Huge Plastic Compass Large Math Teaching Compass Geometry Tools Math Stationery Supplies for Teacher

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$9.43

$ 3 .99 $3.99

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  • 【huge plastic compass】👩‍🏫💡 large math teaching compass math geometry tools big-sized professional draw tool for blackboard teacher demonstration. features sucker design, which make sure that the compass and the center of circle can be fixed firmly the center of circle.
  • 【demonstration compass】👩‍🏫💡 huge plastic compass large math teaching compass math geometry tools, large circle on school classroom whiteboard chalkboard stationery supplies. it is lightweight, which can relieve your fatigue of holding.
  • 【application】👩‍🏫💡 for teaching a class when using a whiteboard or chalkboard. it can be compatible for chalk and marker, which will improve your drawing efficiency. this plastic is made of material, which enjoys the strong durability, not easy to be deformed.
  • 【blackboard compass】👩‍🏫💡 plastic compass math teaching tool draw tool large compass for demonstration this compass is made of material, which is and practical, not easy to be broken and deformed.it is lightweight, which can relieve your fatigue of holding.
  • 【chalkboard compass】👩‍🏫💡 it comes with sucker design, which can fix firmly the center of circle.features sucker design, which make sure that the compass and the center of circle can be fixed firmly the center of circle.it can be compatible for chalk and marker.



Product Description

Whiteboard Compass
Whiteboard Compass

Features

- Color: Yellow

- Material: Plastic

- Size: About 46 x 7.4cm/18.08 x 2.91inch

Package Including

1 x Large Compass

Teaching Compass

Teaching Compass

Teaching Compass

Teaching Compass
Demonstration Compass

Cassi
Reviewed in the United States on June 2, 2024
This is a decent compass for light use. This is not very heavy duty or made like the ones I used in school a few decades ago but this will do the job. This is good for creating curves for arts and crafts projects. I really don't see this lasting as long as the wood ones, but is nice to have for those times when you do need a compass.
krtaylor
Reviewed in the United States on May 27, 2024
How do you draw a proper circle on your whiteboard or chalkboard? With a giant compass like this one!True, the plastic is very cheap and a bit junky. But, as long as you don't leave it lying around for the kids to play with, it should do the job for at least one school year, maybe more if you're careful.One end of the compass has a suction cup on a gimballed ball - I wouldn't trust the suction cup to actually stay stuck on anything, but it should do generally OK as your center-point if you use the compass carefully.The other end has a socket where you can fit a piece of chalk or dry-erase marker. Since those come in various sizes, there's a good-sized plastic set screw to hold it in place - or, some duct tape might come in handy.There's even a wingnut to tighten the two legs of the compass and hold them at the proper angle - I'm not sure how sturdy this will prove to be, but it's better than nothing and worth a try. It could perhaps be improved with a rubber gasket in between the two pieces to provide more friction.Basically, this is a bargain compass for underfunded schools. It won't win any prizes, but it does the job cheaply and reasonably effectively.In theory you could use this to draw a circle of nearly 3 ft. radius, which would be a 6 ft. circle - but this would be awkward and you probably won't ever need one that big anyway. It's probably at its best for circles of between 1 and 3 feet diameter - big enough to be visible to the entire classroom, but not excessive.
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