US$ 307.50
Engineered with a higher spring constant than a classic coiled novelty spring
For yes/no
and inner components
Life-size kidney model separates into two hemispheres exposing cortex
Eisco Labs borosilicate glass has the following heat tolerances: Strain Point 515°C | Annealing Point 565°C | Softening Point 820°C
Illuminated Solar System Model with Light Socket Gifts_Home Engineered with a higher springIlluminated solar system model with a socket lit sun, eight planet tipped rods, and a month labeled base for tracking orbital positions through the year.
US$ 307.50
US$ 24.97
US$ 160.00
US$ 172.50
US$ 205.00
US$ 120.00
US$ 135.00
US$ 347.50
US$ 252.50