Time travel to the future:

Go through the doorway and talk to the robot. Give the electronic card from the basement to the robot. Select the invisibility magic from the Magic Generator and then press the yellow button to become invisible. You can now go through the laser beams to the garden. The aim in the Seven Plants mini-game is to find the seven correct plants that are shown on the scroll from the yard. Select the scroll at the top-right corner of the screen. Find the seven plants:

Add all of the plants to the inventory and then select the green Done button to receive the seeds container. Time travel to the house and then space travel to the moon. Use the seeds container on the moon surface.