Explorer Wedgits Building Set welcomes young engineers and builders to the wonderful world of creative construction playtime. This manipulative Wedgits building toy offers creative challenge to the aspiring young engineers and scientists in your family. The open ended design of the Explorer Wedgits Building Set stimulates children's perception and reasoning skills as they experience different ways to stack, nest and align these rhombus and octahedron shaped toys. Kids can actually build a jumping frog through interlocking and levering of their Explorer Wedgits Building Set. The Explorer Wedgits Building Set has a total of 125 blocks, 36 glow in the dark pieces, two storage racks and design booklet opens up the opportunity to build larger, more challenging designs.Ages 3 and up.By Imagability