SMARTLAB-Weird & Wacky Contraption Lab. Mix and match sixty-six pieces to build unlimited contraptions that stand over 2 feet tall! Learn about gravity, momentum, and speed while testing out all kinds of fun and wacky courses! This package contains one kit including: 6-part stand, four short tracks, three medium tracks, two long tracks, one wavy track, two curved tracks, two off-ramps, toilet, funnel, cleaning machine, gears and cups, stunt pig, cannon, zigzag ramp, boot buster, chicken coop, twenty four track clips, four steel balls, steel-ball extractor, six stops, and an instruction sheet. WARNING-CHOKING HAZARD-Toy contains a small ball. Not for children under 3 years. Recommended for ages 8 and up. Complies with CPSIA. Imported.