Stacking Rings
About Product
Ten graduated size discs may be arranged,capped by a tight ball
top with o-ring inside to add an additional manipulative element.
Size & Ages
Size
W3 1⁄2” x L 3 1⁄2” x HT 8 3⁄4”
( 9 x 9 x 22 cm.)
Ages
18 Months+
How to order
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