Giới thiệu 1 Bộ Sáo Cân Bằng Đồ Chơi Giáo Dục Dành Cho Trẻ
Item Description: -Floating Ball Toy, how long can you make this ball float? Challenge you family and friends! -This classic game of science demonstrates Bernoulli's Principle, the Law of Pressure Differential. -Gently blow into the pipe and watch the ball float. -Easy to play,entertaining,fun and thought provoking. Product introduction: 100% Brand New Material:Plastic +Foam Age:Not for children under 2 years. Color:We will send it randomly. Size:About 15cm Package Contents:1 Set Floating Ball Toy