Twitter user Mike Stevens alerted us to this issues with the Colgate Spiderman electric toothbrush. While the oscilating head will need to be replaced in three months, the design of the device means that replacement is not possible. A quick search reveals this product is available for $11 at Big W, which is far more expensive than the cheapest manual toothbrushes on offer that come in around $1.50. It also raises a sustainability issue.
However, what do you think?