ZOOB Tube 20-Piece Modeling System in Neon Brights Put on your sunglasses, these ZOOB are vivid Fantastic starter set or a great way to add blazing colors to your existing projects Click and pop together to form joints that rotate, limbs that extend, axles that spin and lots more Includes 20 extra vibrant, neon colored ZOOB pieces and an instruction guide Recommended for children 6 years of age and older