You can make paper spheres as a table decoration or as homemade Christmas ornaments to give as gifts. Varying sizes of paper spheres can also work well as part of a science project about the Platonic solids; this particular sphere is made up of twenty individual triangles and is sometimes called an icosahedron. You can make a paper sphere from any type of stiff paper or cardboard, but construction paper works best as it is easy to cut and fold.

### Things You'll Need

- Construction paper
- Compass
- Protractor

- Scissors
- Hot glue

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Draw an equilateral triangle with 2-inch sides on the construction paper with the compass. Use a protractor to ensure the angles are each 60 degrees.

Place the pointed tip of the compass in the exact center of the triangle. Place the pencil end of the compass at one of the triangle's corners. Draw a circle around the outside edge of the triangle, so that the triangle is circumscribed within the circle.

Fold the circle's edges up around the triangle so that you have three flaps.

Lay out 10 circles in a row. Each triangle should alternate direction (up, down, up, down).

Hot glue the triangles together at the adjacent edges to make a ring.

Lay five triangles together to make a circular shape. The tips should all be pointing together in the same place.

Hot glue the adjacent edges together.

Repeat Steps 6 and 7 to make one more circle of five triangles.

Hot glue one circle on top of the ring of triangles to make the top of the sphere. The adjacent edges should be glued together.

Repeat Step 9 for the bottom of the sphere.