Make science fun with hands-on activities that encourage experimentation, observation, and analysis. Use the five provided double-sided activity cards to perform simple experiments using common household and classroom materials, ask observation questions, and introduce basic scientific concepts. Four eyedroppers approximately 4-3/4″ long with 5 mL capacity (about 1 tsp). Two spot plates have 6 wells and measures 3-1/2″ x 5″. Storage stand comes in 4 pieces and measures approximately 5-3/4″ L x 3″ W x 4-1/4″ H when assembled. Recommended age 4+ years