Here is the large size MK Tresmer Oy of Finland plastic coin bank. The coin banks are spherical with a flat bottom so they don’t roll away. There is a slot toward the top so that coins can be inserted in the bank. They come in the highly stylized form of an owl. These banks are not common.
eBay item 181674164671 sold Mar 24, 2015 at 11:20AM (United States) for $65.00 plus shipping.
On the Palaset website, the money box is described as not easy to ignore. It is available in two sizes, a smaller 194mm diameter disposable version and a larger 294mm diameter version with a key lock or plug. The Palaset website shows these banks in red, yellow, blue, and green. They can be made with your own logo if you order a minimum of 500 pieces!
Red 294 (left) and 194 (right) MK Tresmer Oy plastic owl coin banks.