Simple, inexpensive ideas I found on Pinterest that convinced Bubby of Gramma's awesomeness:

Shaving cream bath paints.

Cardboard ramps for his cars.

<photo of Bubby in the tub with glow sticks removed by Lisa because perverts flocked to it>

Glow sticks in the bath tub.

Today's question:

Do you prefer taking baths or taking showers?