Class kits for up to 30 students working in teams of two. Includes teacher’s master guide, complete student instructions, materials and supplies, building bases, and glue. Cutting and measuring tools sold separately.

The compact Modern structure test stand is for testing bridges and towers in the classroom or in Science Olympiad and other competitions. The sturdy base is topped with a 24" x 36" white Melamine top with opening. Adjustable span blocks install quickly to test bridges with spans of 200mm, 250mm, or 300mm. Table height adjusts from 27" to 40", with adjustable floor guides for stability on uneven floors. Easy assembly. Includes table, weight bucket (for use with sand or other weight – not included) chain, load block, adjustable span blocks, and user guide. Stores and transports easily.