Give students the tools they need to gather facts, observe specimens and make hands-on discoveries…with top-quality science supplies that will stand up to years of classroom use! Our center comes with 12 each of the 9 tools shown—for a total of over 100 pieces—all in a sturdy chest with labeled compartments that keep supplies organized and easy to reach. Chest measures 18 1/2"l x 7 1/2"w x 10 1/4"h.