Can anyone tell me any info on the light contract?

Once you purchase the light contract you have 30 days before it expires. Every 24hrs you can select one pack of rewards. Note: be sure to select which pack of rewards you want before the next day.

There are 6 packs you can choose from and change every day.

Pack #1 - speedups + diamonds

Pack #2 - 600k plant and 600k meat + 500 diamonds

Pack #3 - 1.2M meat + 500 diamonds

Pack #4 - 1.2M plant + 500 diamonds

Pack #5 - 780k soil + 500 diamonds

Pack #6 - 500k sand + 500 diamonds

you can change the pack you want to receive every new day