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Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
Light Source: LED
Perfect for use in many applications
Slide switches that allow the user to simply add or subtract for desired value
Wooden mallet provided for greater ease and efficiency while playing
The two-position firing pins have a locking catch for safety and the trolleys have Velcro pads for inelastic collision experiments
1pcs Double Concave Lens | 50mm Diameter and 150mm Focal Length Magnetic Light Source: LEDHigh Quality Glass: Made from durable and high quality glass, this Double Concave Lens is designed to last and provide accurate and reliable results in a variety of scientific applications. 50mm Diameter: With a diameter of 50mm, this lens is perfect for use in a range of optical experiments, including refraction, reflection, and more. 150mm Focal: Featuring a 150mm focal, this lens is an ideal tool for creating focused images and light beams.
