Styrofoam balls are great for doing mass/density experiments or use them as part of an experiment to compare the effects of how the different ratios
Styrofoam Ball & EPS Foam Balls by Shape Innovation, Inc.
50 Pack Craft Foam Balls, 5 Sizes(1-2.4 Inches) White Polystyrene
Smoothfoam 6 Inch Balls
Buy 1 Inch Styrofoam Ball Online In India - India
100 Pack Styrofoam Balls (40 piece 2'' inch, 60 piece 1'' inch
Incraftables Styrofoam Balls 240pcs 0.8in 1.2in 1.6in 2in Assorted
2 STYROFOAM Brand Foam Craft Balls (12), Generic craft item, Styrofoam material, Not to be confused with Smooth Foam, Coarse and dense, Great for
2 STYROFOAM Brand Craft Balls (12 Pack)
Styrofoam of the Galaxy Vol. III : 8 Steps (with Pictures) - Instructables
FOCMKEAS 1(25.4 mm) Ceramic Bearing Ball ZrO2 Zirconium Oxide Solid Ball Precision Ball: : Industrial & Scientific
Set of 3 Styrofoam balls that are 1 inch in diameter. Ideal for putting in the bottom of your small makes as filler.Add snowfall grit paste to make
STYROFOAM BALLS 3 pack 1 inch Diameter sb0123
2-1/2 Styrofoam Ball
Floracraft 1.5in White Ball Styrofoam (12)