137-Piece Organic Molecular Model Set Springs This complete apparatus has a

This complete apparatus has a 150mm adjustable mirror scale to prevent parallax error and is marked in millimeters and mounted on a sturdy 300mm rod

Dimensions: 115(W)×75(H)×90(D)mm

100g Maximum weighing

Soft and cute quality hand puppet of a Cheetah

Cardiac conduction

137-Piece Organic Molecular Model Set Springs This complete apparatus has aPremium, 137 Piece Organic Molecular Model Set Includes Instruction Manual: 66 atoms, 70 bonds, 1 removal tool for building a variety of organic compounds. Comes in a plastic storage box with four compartments for easy organization. Great for molecule demonstrations, studying and for providing students with a visual and kinesthetic aid for learning the structure and properties of various molecules. (14) Carbon 4 holes, (6) Carbon 3 holes, (6) Oxygen 2