A Doraemon figure wearing a "bamboo-copter" is displayed at a pre-exhibition of "100 Doraemon Secret Gadgets Expo" in Beijing, capital of China, April 17, 2014. The exhibition will officially kick off here on April 19 and lasts until June 22. A hundred life-size Doraemon figures, each of which bearing a distinct secret gadget, will be displayed during the show. Doraemon, a 22nd-century robotic cat, has been a popular anime character since its introduction by Japanese cartoonist Fujiko Fujio in 1969. (Xinhua/Ma Ping)

A kid stands next to a Doraemon figure at a pre-exhibition of "100 Doraemon Secret Gadgets Expo" in Beijing, capital of China, April 17, 2014. The exhibition will officially kick off here on April 19 and lasts until June 22. A hundred life-size Doraemon figures, each of which bearing a distinct secret gadget, will be displayed during the show. Doraemon, a 22nd-century robotic cat, has been a popular anime character since its introduction by Japanese cartoonist Fujiko Fujio in 1969. (Xinhua/Ma Ping)

Doraemon figures are displayed at a pre-exhibition of "100 Doraemon Secret Gadgets Expo" in Beijing, capital of China, April 17, 2014. The exhibition will officially kick off here on April 19 and lasts until June 22. A hundred life-size Doraemon figures, each of which bearing a distinct secret gadget, will be displayed during the show. Doraemon, a 22nd-century robotic cat, has been a popular anime character since its introduction by Japanese cartoonist Fujiko Fujio in 1969. (Xinhua/Ma Ping)

A Doraemon figure is displayed at a pre-exhibition of "100 Doraemon Secret Gadgets Expo" in Beijing, capital of China, April 17, 2014. The exhibition will officially kick off here on April 19 and lasts until June 22. A hundred life-size Doraemon figures, each of which bearing a distinct secret gadget, will be displayed during the show. Doraemon, a 22nd-century robotic cat, has been a popular anime character since its introduction by Japanese cartoonist Fujiko Fujio in 1969. (Xinhua/Ma Ping)

A kid interacts with a Doraemon figure at a pre-exhibition of "100 Doraemon Secret Gadgets Expo" in Beijing, capital of China, April 17, 2014. The exhibition will officially kick off here on April 19 and lasts until June 22. A hundred life-size Doraemon figures, each of which bearing a distinct secret gadget, will be displayed during the show. Doraemon, a 22nd-century robotic cat, has been a popular anime character since its introduction by Japanese cartoonist Fujiko Fujio in 1969. (Xinhua/Ma Ping)

A visitor poses for photos with a Doraemon figure at a pre-exhibition of "100 Doraemon Secret Gadgets Expo" in Beijing, capital of China, April 17, 2014. The exhibition will officially kick off here on April 19 and lasts until June 22. A hundred life-size Doraemon figures, each of which bearing a distinct secret gadget, will be displayed during the show. Doraemon, a 22nd-century robotic cat, has been a popular anime character since its introduction by Japanese cartoonist Fujiko Fujio in 1969. (Xinhua/Ma Ping)

Doraemon figures are displayed at a pre-exhibition of "100 Doraemon Secret Gadgets Expo" in Beijing, capital of China, April 17, 2014. The exhibition will officially kick off here on April 19 and lasts until June 22. A hundred life-size Doraemon figures, each of which bearing a distinct secret gadget, will be displayed during the show. Doraemon, a 22nd-century robotic cat, has been a popular anime character since its introduction by Japanese cartoonist Fujiko Fujio in 1969. (Xinhua/Ma Ping)