Explore the inner workings of the human body, where curiosity meets creativity! Dive into the intricacies of anatomy as you explore six different organ systems, including muscles, bones, nerves, digestion, circulation, and respiration. Paint over the surface of each "blank" sheet and wipe away to reveal the details beneath, offering a hands-on and interactive learning experience. Crafted from sustainable paper, these innovative sheets not only inspire discovery but also promote environmental responsibility. Great for STEM learning! Includes 150 sheets/25 booklets, 3-3/4" x 7 1/4″ (9.5 x 18 cm).