SmartLab Toys Weird & Wacky Contraption Lab

5512226 Features: -Contraption Lab Kit.-Contains hook and loop backer board with stand.-Unlimited configurations.-Develops skills of the scientific method- inquiry, hypothesis and testing. Includes: -Includes components such as cannon with flying pig, ore car, two curved tracks, four long tracks, six short tracks, two gears, wavy track and stairs.-Also includes plunger lever, steam pipe, toilet, chicken coop, boot-and-hand lever and trashcan.