GOOD QUALITY PLASTIC BOXES.
Gozinta in and out gimmick boxes magic trick a physical impossibility that works on its own. The effect you may show your audience a small red box. Then open it and from inside you remove a small black box. Now the magical part. You close the red box and place it inside the black box. Amazing the black box came out of the red box & the red box is inside the black box. Trick includes both boxes and instructions.