Solar Eclipse Viewer, Safe for Direct Solar Viewing, Material: Black Polymer, Meets the Standard for ISO 12312-2:2015, CE certified, Filter out 100% of harmful ultra-violet and infrared and 99.999% of intense visible light, Hand Held Card: 3x5in with 1x4in Aperture
DNA Model, built to a scale of 10cm to 1nm and accurately depicts a 16 base pair section of DNA, phosphatedeoxyribose backbone and the four bases are represented by custom plastic moldings that show the shapes of the molecules in scale, Dimensions: 25in x 9in x 9in
Enlarged. Sectioned so that both ventricles and atria open to expose the valves. Large blood vessels near the heart and musculature of the heart are shown. Separates into 7 parts.
Science Plant Cell Model 4D, 6in model contains 24 detachable, hand-painted parts and a display stand, Transparent outside for seeing internal structures and super detailed parts, Also includes illustrated assembly guide, description of the anatomy, For ages 8 Plus
Stem Explorations- Vehicles Building Set, Age: 8+, set includes 130+ parts for a single child or team of 2 children to build 7 vehicle models with different power sources, including push-power, rubber band power, wind power or a spring motor, for grade 3-5