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Pith Balls

	Balsa Wood Pith Balls Product Number: SB28886M Checking pricing... Set of 12 balsa wood pith balls for electrostatic experiments. Each ball is 3/8" in diameter with hole for attaching thread. Grade 3 and up. More.

	Aluminum Coated Pith Balls w/String Product Number: SB29018M Checking pricing... Perfect for all your electrostatic experiment needs. String is cotton so it is nonconductive. 1/4" in diameter. Pkg. of 6. Grade 3 and up. More.

	Wood Pith Balls without Strings Product Number: SB29019M Checking pricing... Perfect for all your electrostatic experiment needs. 1/4" in diameter. Assorted colors. Pkg. of 12. Grade 3 and up. More.

	Wood Pith Balls w/String Product Number: SB29017M Checking pricing... Perfect for all your electrostatic experiment needs. String is cotton so it is nonconductive. Assorted colors. 1/4" in diameter. Pkg. of 6. Grade 3 and up. More.

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