I am thinking about something we could make with a 3D printed design that uses LEDs. 

• Lanterns
• Back-lit furniture (headboard)
• Top-lit shelves
• Light up mirror
• Light up notebook (binder edge)
• Light up decorative letters
• Light up sneakers

Tables Top 4: 

• Lanterns
• Light Up Notebook
• Red Sword
• Key chain

Neighbor Table Top 4: 

• Light up responsive recycle bin
• Light up phone case
• Light up shoes
• Light up 3D rubber ducky