Description: 100% brand new and with high quality DIY physical optics experiment of small hole imaging device pinhole imaging model kits Great for kids physics/optics teaching tool Material: Plastic Color: As pictures shown Specification: How to operate: Install the experiment device as pictures shown - three bases on the same line light up the candle, and adjust the height of cancle and screens Also, make sure the centers of the flame, small hole of the board, and the white screen in the same horizontal line Then- a upside-down flame image will be on the white board Size Chart: Base (L x W x H): Approx 1.5 x 2.5 x 6.5cm/0.59 x 0.98 x 2.56inch Small Hole Board/White Screes (L x W): Approx 8 x 6cm/3.15 x 2.36inch Package Includes: 3 Pieces Base 1 Small Hole Board 1 White Screen 1 Candle
