in/visible lightning bug by han jia from china

Lightning bug is a kind of nocturnal beetles, characteristically having luminescent chemicals in the posterior tip of the abdomen that produce a flashing light. The idea “ in/visible lightning bug” comes from this characteristic. In the daytime, the white transparent crystals are not easy to be recognized; at the same time the special tiny electrical appliance behind of the crystals will absorb and save the solar energy. At the night, the crystals will imitate the “lightning bug” to flash light by emitting the solar energy. One the one hand, the “in/visible lightning bug” delicately guide people especially children in the darkness; on the other hand, it imitates the beautifully outdoors environment and reminds the sweetly childhood.