The invention discloses a holographic projection intelligent interactive device and belongs to the field of toys. The holographic projection intelligent interactive device comprises a spherical cavity composed of two hemispheres fastened in a threaded manner; the outer surface of the spherical cavity is provided with a plurality of first through holes, a rolling cavity is arranged in the spherical cavity, the rolling cavity is composed of two hemispheres fastened in a threaded manner, the rolling cavity may roll in the spherical cavity, the outer surface of the rolling cavity is provided with a plurality of second through holes, the rolling cavity is internally provided with a plurality of geometric blocks, and the geometric blocks may pass through the first and second through holes. An intelligent child toy of the invention can arouse children's interest in playing and enables children to develop preliminary understanding of space and shape during playing.