K'NEX Thrill Rides 3-in-1 Classic Amusement Park Building Set Ubongo and once the Builder is

and once the Builder is done

and math) capabilities by invoking their natural curiosity and creativity

Introducing the first battery driven train set for the youngest

More than 150 illustrations of animals

Let your child's imagination to flourish with this construction educational toy

K'NEX Thrill Rides 3-in-1 Classic Amusement Park Building Set Ubongo and once the Builder isOperate an amusement park right in your home as you build thrilling rides with K'NEX 3 in 1 Classic Amusement Park Building Set! This building set consists of colorful parts and pieces that allow you and your children to create 3 different models, one at a time. Create a majestic Ferris wheel that stands almost 3 feet tall, a heart pounding boom ride, or an exciting swing ride. All models can be built one at a time Enjoy hours of interactive fun with