Brand: ROKR Material: ABS Number of Pieces:156pcs Product Dimensions: 7 x 2.9 x 10 inches Item Weight:1.28 pounds Assembly Time: 3H Power: Electricity 【Biopunk Insect Building Kit】 This metal model kit is inspired by the beauty of insects and their unique morphology. It combines futuristic biopunk elements with a tribute to nature, making it a special brain game for both teens and adults. Built size: 4.6x7.5x3.8 inch 【Realistic Flying Wings Simulation】 The 3D puzzle uses a planetary gear motor to provide steady energy, so it could simulate the quick flapping of beetle's wing membrane up to 618 times per minute. Besides, it's equipped with V8-cylinder engine gadget and indicator lights to add special flavor. 【Impressive Gift for Boys Girls】 The STEM kit is perfect for DIY lovers and who loves studying insects. It not only provide endless fun but also inspire people's imagination and creative thinking. It also gives family a chance to bond together.