If you have kids that can't make up their minds about what they want to do, then why not add a bit of spontaneity into the mix. Take away the burden of decision and let fate decide for you. Kids can create a Windmill of Spontaneity for all kinds of things, such as what to have for dinner, what kind of sports to get involved with, etc. Here is one for places to go on a day out.
In each segment write a different place to go to, e.g. the park, the zoo, the beach, the cinema, the museum, etc.
Cut out both the circle and the arrow.
Use Sellotape to stick the arrow to the bottom of the cardboard tube.
Sellotape the cardboard tube to a piece of card to give it stability.
Poke the paper fastener through the centre of the circle, and pierce it through the top of the tube. Open out the fastener to secure the circle in place. Make sure that you push the fastener right in the centre, or it will be biased to one side.
Spin the circle, and see what activity the arrow points to.