|Quadrilla QU846101 Extension Set For Twist and Rail Set, Rail Set, and Twist Set
|The Quadrilla Extension Set is recommended for ages 4+. The Extension Set is recommended for expanding the Twist and Rail, Rail or Twist Set. The Extension Set contains 21 blocks, risers, rails, etc. and an instruction book guide to build 22 layouts. This Quadrilla Extension Set is sure to provide hours of creative entertainment more ...