Features: 1. Principle: Show the flying function and dynamics of the butterfly toy, relying on the twisting of the rubber band to generate an upward force, and the toy will fall off after the twisting of the rubber band is released. 2. Lifelike Butterfly Pattern: Bright and delicate color, overall looks exquisite and beautiful, attracting people's attention, suitable for 7 to 14 years old young people. 3. Multiple uses: Flying butterfly toy can be used as bookmarks, greeting card decorations or perfect gifts for girls and boys. You can put it in a book or a greeting card to surprise a friend. 4. Easy to use: Hold the tail of the butterfly in your left hand and do not move, rotate the head of the butterfly in your right hand about 40 times, and then release your hands at the same time, then you can see the butterfly fly out. 5. Plastic and Paper: 10pcs retractable butterfly toys are available, meeting your different usage needs. Using plastic and paper material, environmentally friendly, durable and durable. Specification: Item Type: Flying Butterfly Toy Material: Plastic, Paper Weight: 76g / 2.7oz(approx) Applicable Age: Youth (7-14 years old) Product Size: Approx. 11.5 x 11.2cm / 4.5 x 4.4in. Package List: 10 x Instruction Card 10 x Butterfly Toy Note: 1. For reference only: the flying height is about 2 meters, and the flying time is about 2 seconds. 2. Please allow slight error due to manual measurement. Thank you for your understanding.