A highly affordable set of 3 laser pointers (red/green/blue) set at different wavelengths, perfect for performing experiments involving refraction in the classroom or at home.
Item#: 16108 Age: 18+
(2 customer reviews)
Drive your pet up the wall, under the couch, through the kitchen, and in circles round the living room; this red laser pet toy is sure to bamboozle cats and dogs as they try in vain to catch the bright red dot
Item#: 15928 Age: 18+
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