Number, Measurement and Space, module establishes equivalence of sets by a one-to-one exchange of objects. Eg Upsetting equivalance (destroying conservation of numbers) by adding one object to a set, or taking one away, helps introduce vocabulary for comparing quantity
Nursing Moulage Kit, For the medical moulage designer, this kit includes the essentials needed to create basic, intermediate and advanced moulage designs, (medical, trauma, obstetrics) including three dimensional interactive wounds that can be sutured, ruptured drained triaged
Oersted's Apparatus, demonstrates the action of electric current on a magnet. A cobalt steel needle (75mm long) with agate bearing supported by pivot, mounted on a plastic base and surrounded by rectangular frame fitted with terminals, 0.6 lbs, 8.0x7.5x1.8in
Online Learning System, 1-Year Class License Provides access for 1 teacher and up to 150 students to ready-to-use lessons; easy-to-use authoring templates to develop custom, digital lessons; unique learning management system to track and analyze student performance
Optics Kit - Junior, 2.6lbs, 15.0x11.4x4.3inch, ray box with bulb and flex having two 4 mm plugs, a pair of blanking plates, two slit plates, Planoconvex lens, color mixing set, frosted concave lens, frosted convex lens, frosted semicircular lens