Pinhole Camera Mechanical Stopwatch Children will spend hours playing

Children will spend hours playing

sterile and individually packaged

providing excellent operating experience

Three-dimensional Magnetic Induction Lines Demonstrator

Size: 17cm x 12cm x 33cm

Pinhole Camera Mechanical Stopwatch Children will spend hours playingTo illustrate the principle of image formation due to light rays passing through small apertures. Comprising a polished wooden box with a ground glass screen at the rear end and an adjustable sliding front with a hole. Premium Quality: Pinhole Camera is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science