WEDGiTS 30-piece offering has gone translucent. Yes, see through colors that look crystalline when light is directed onto a structure. Three dimensional qualities are highlighted whether using a light-table, or, if kids are shining a flash-light at their spaceship in flight. Kids can imagine water streaming off their WEDGiTS Jumping frog, or, a they can actually visualize the angles of light reflected through a WEDGiTS Crystal. Each Trans-Lux WEDGiTS set is packaged with two product design booklets and two storage racks providing your kids with hours of creative fun.