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Step 4: Apply dye directly from bottle or dip fabric into small tubs of dye
Fill the tray (sold separately) with natural loose parts for sensory or sorting activities
The set includes 84 pieces-7 of each shape and size across 12 distinct wooden forms such as discs
dust mites
appropriate soft fall mats are recommended
Refractometer - Salinity with ATC , 28% L1-Science-L2-STEAM Step 4: Apply dye directlyThis precision salinity refractometer is engineered to provide accurate, fast, and reliable measurements of sodium chloride (NaCl) concentration in water based solutions, such as seawater and food preparation brines. It features an Automatic Temperature Compensation (ATC) system, allowing consistent results even when ambient temperatures vary making it highly suited for field or laboratory testing environments. Its triple scale readout provides
