Teach children how droppers work by using a dropper to transfer colored water from one small container to another. Cobalt bottles are ideal for tasting exercises. Pieces will come screwed together as a unit.
Please note: You may also mix and match your sets by ordering individual Glass Bottles (J82, J80, or J83) and Eye Droppers (J72, J70).
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You may return any item, for any reason, and receive an exchange, replacement or refund.
