Squidy Cartesian Diver

描述

Bat7100 A Cartesian Diver Is A Classic Experiment That Explores The Properties Of Air Squidy Kits Promote Handson Learning And Stimulate Scientific Inquiry Squeeze The Plastic Soda Bottle And Watch The Squidlike Creature Sink And Swim In The Water Super Diver Kits Promote Handson Learning And Stimulate Scientific Inquiry Contains Enough Materials To Make Thirty Cartesian Divers Make Cartesian Sinkers, Retrievers, Helicopters, Sealed Divers, And Many More Includes Steve Spangler1S Soda Bottle Science Book Counting Is A Kit Of Five Divers Which Ascend And Descend In Numerical Order The Kit Includes A Special Pump