Tactical Egg

This model is fully operable once assembled; you can pull out the pin (many times in and out), and the handle springs up. Should fit on most eggs (especially the Easter ones), a 3D-printed egg is optional.For assembly, you need:Pen springKey ring1. Put in the spring. 2. Push the handle on from the top.3. Insert a keyring into the pin.3. enjoyIt's also surprisingly sturdy; I have been throwing it around and it still holds together.