Here's a fun Tinkercad tutorial by Paige Russell on Instructables, where she walks you through the process of modeling a hollow egg with chicken feet, called the LED Egg Nightlight.
The special sauce is the Glow circuit assembly, which is a part built into Tinkercad making it easy to add an LED circuit to any 3D design. You don't need electronics experience or a 3D printer to get started designing this fun and easy night light!
In the meantime, please see our recent posts titled Hello Tinkercad Friends! Let’s #TinkerTogether and Parents Guide to Starting Kids in Tinkercad. They provide more information on some of Tinkercad’s useful features for parents, teachers, and students.