Have fun experimenting with cause and effect while building fine motor skills at the same time. This set of 6 perfectly sized and colorful droppers store vertically in a convenient stand. A great addition to any science center or sensory table. # Pieces In Set: 7 Learning Skill: Science Recommended Ages: 3 Years And Up Measurements: 5 Width/Inches, 5 Length/Inches, 5.25 Height/Inches Assembly: Assembled Base Material: 100% Plastic Care: Wipe Clean Country of Origin: Imported