3-Wheeled Dynamics Cart, 12 x 3.5", 2-Pack Category_Plasticware adjustable via motor voltage to

adjustable via motor voltage to mimic temperature and float weight to mimic pressure

Twenty-centimeter steel helical spring paired with 2kg

Replacement drive belt matched to the companion hand-crank Van de Graaff generator

Designed to measure Planck's constant through the photoelectric effect

Beech wood test tube rack accommodates 13 tubes up to 25mm diameter in a 10

3-Wheeled Dynamics Cart, 12 x 3.5", 2-Pack Category_Plasticware adjustable via motor voltage toPair of 12 by 3. 5 inch dynamics carts in solid wood and aluminum with nylon ball bearing wheels, one fitted with an exploder piston for momentum and action reaction investigations.