US$ 12.00
and twelve 50g slotted weights for vector-addition work
Length-adjustable wooden pendulum simple-machine model with a blue bob sliding along the string and a wooden guide keeping the swing on a consistent path for period-vs-length measurements
Fullerene C60 kit with 60 atoms and 90 bonds for building the spherical cage structure characteristic of fullerene carbon allotropes
and prism table for measuring wavelengths and the refractive indices of solids and liquids
this six-metal density cube set of brass
Mounted 12V 24W Lamp for Energy Transfer Experiments Science at Home_Earth Science and twelve 50g slotted weightsBase mounted 12V 24W SBC lamp with 4mm socket connections, pairing with a solar cell to demonstrate the light electrical light energy chain during photovoltaic experiments.
US$ 12.00
US$ 12.70
US$ 30.99
US$ 30.99
US$ 30.99
US$ 17.95
US$ 45.99