Translucent Playstix™ is a construction toy that allows you endless possibilities to build simple and more complex structures. The transparent jewel-like colors reflect light and add sparkle to anything you build. The plastic pieces feature a grooved design providing super stable construction while building. The color coded lengths make it easy for younger children to build their masterpieces. This set encourages STEM learning, problem solving skills, fine motor skills, imagination, and creativity. Add the Translucent Playstix™ to your light table for engaging visual exploration. Translucent Playstix™ can be combined with regular Playstix™. This 105 piece set includes—97 Playstix™ in 7 sizes & colors and 8 wheels—plus a guide with building ideas. The largest piece measures approximately 6 1/3" L. For children ages 4 yrs. .