Maker Kit Large, Perfect for Maker Space, Age: 6+, 800+ rods & connectors in both classic and micro scale that are made in the USA, with Reusable Storage Tub for easy clean and storage, 100 Building Ideas, budding makers use the parts to design and create their own DIY project
Rolling friction car kit, provides four cars for exploration into the force of friction, Each car provides a set of different material wheels (wood, fabric, soft rubber, soft silicone), Weight (lb): 1.0, Length (in):5.8, Width (in):6.5, Height (in):3.5
Square Friction Cube With Hook, 4 Surfaces, 2 Inch, Provides Four Surfaces For Exploration Into The Force Of Friction. Each Side Of The 2in Cube Provides A Surface (Wood, Paper, Vinyl, Sandpaper) With A Different Coefficient Of Friction