US$ 118.50
and 400 ppm
21-piece electrostatics set in a plastic case covering induction
and energy transformation experiments
Compact all-metal boss head with two stainless steel thumb screws joins rods up to 15mm orthogonally
Wooden Dynamic Trolley Stock Type_Build to Order and 400 ppmPair of 300mm wooden dynamic trolleys with spring loaded impulse rods at five compression levels, stacking pins, and rubber corks for momentum, collision, and Newton's third law experiments.
US$ 118.50
US$ 102.00
US$ 103.50
US$ 130.00
US$ 124.50