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Feels-Write Number Stones
4-ply maple exterior and 3-ply cherry interior shells for excellent resonance
Level 2 - Transition to Notation
counting in twos
Bottles, Dropping, Clear Glass, PolyStop with glass dropper, 30ml (Pack of 6 ) Figures & Accessories Feels-Write Number StonesDropping bottles, an alternative to pipetting devices, allow for the repeated, consistent, accurate dispensing of reagents one drop at a time or in a stream. The dropper control tip on dropping bottles snaps securely into place, providing a leak proof seal. Polyethylene dropping bottles feature ideal chemical resistance and are suitable for dispensing most acids, bases and alcohols. Glass dropping bottles are chemically and biologically inert. Amber
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