I place them into a small container. Then several times a day I hand feed them to the gerbils. This has a double benefit. First, they do not get the excess protein. Second, it is an excellent way to hand taming your gerbils.
Gerbils are a very active animal.
They need an entertaining environment for your gerbils. Let you imagination guide you there are hundreds of ways to create fun for your gerbils. A four by four makes a great toy. Have several large holes drilled through it. We have a great lumber yard that will do the cutting and drilling for us.