Standing over two feet tall, the Smart Lab Toys Weird and Wacky Contraption Lab has 60 mix-and-match pieces to build an unlimited amount of contraptions. Kids can dream up crazy courses, then build and test them using this easy-to-construct Velcro-like system. Instructions offer tips and tricks on how to best manipulate the kit's components. Guides kids through five sample contraption designs while they learn how to predict the outcome of each. Gravity, momentum, and velocity are observed as kids experiment with gears, levers, and wacky contraptions. Components: cannon with flying pig, cleaning machine, 6 stops, toilet, chicken coop, zigzag ramp, 2 curved tracks, 2 long tracks, 3 medium tracks, 4 short tracks, gears and cup, wavy track, boot buster, funnel, steel ball extractor, 4 steel balls, 24 track clips and 6-part stand.