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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
Size: 285mm x 380mm x 225mm
The launcher is released by push button and projects one ball forward while allowing the other to fall freely
Stomach - 2 Parts
Analog temperature control with knob provides 10 settings
Versatile and Durable: This Heavy-Duty Single Battery Holder Apparatus is perfect for science fairs
1pcs Concave Mirror Lens | 75mm Diameter and 300mm Focal Length Classroom Essential Charts Size: 285mm x 380mm xHigh Quality Glass: Made from durable and high quality glass, this Concave Mirror Lens is designed to last and provide accurate and reliable results in a variety of scientific applications. 75mm Diameter: With a diameter of 75mm, this lens is perfect for use in a range of optical experiments, including refraction, reflection, and more. 300mm Focal: Featuring a 300mm focal, this lens is an ideal tool for creating focused images and light beams.
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