Comes with 132 pieces of building materials including child safety screws and washers along with a screwdriver and a wrench to allow endless building possibilities! Creative mechanical building appeals to boys and girls alike! Easy to take apart and reconstruct into something new! Manufacturered by Haktoys. Helps younger children develop hand-eye coordination and cognitive skills. Creates multiple imaginary scenarios for playtime with appealing colorful parts that exercise color recognition skills. Premium quality certified safe and nontoxic materials. Flexible rubber pieces for safety. Note: Only one model can be built at a time. Construct your own toys! This Building Set teaches mechanics with easy-to-follow step-by-step instructions to build Planes Racecars Helicopters Motorcycles or Construction Trucks!