Educational toys, scientific knowledge Develop intelligence, a lot of fun 3d optics, imaging principles Specifications: Name: 3d optical illusion holographic image visual illusion illusion box optical holographic projection virtual object imaging Colour: black Material: plastic Package Contents: 1 * Phantom box 1 * Seven-star ladybug model Only the above package content, other products are not included. Note: different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.