Floating Flower Tip - Most flowers float pretty well on their own until they start to pool with water and slowly sink. For a longer lasting centerpiece, use bubble wrap to make little skirts for your flowers.
Felt Clover How-To DIY crafts and gift idea. This can be used for many things. The actual project is a barrette. It could be made as a pin, put in other types of craft projects and decor, and used with gift wrap ideas.
Even in a tiny house - there's room for something like this - DIY Children Stove with Oven – Ikea Hack. Link is in a foreign language, but the picture shows it well. Cheap end table turned into toy stove. I would have loved this as a kid!