This set from K'Nex will build up to 60 fully functional models from the 3447 supplied pieces.
Enough pieces for 40+ children working simultaneously in teams of 3-4
Encourages classroom interaction
Models demonstrate levers, pulleys, wheels and axles, inclined planes, wedges, screws, gears and motion
After students have built their own models, they can work together to build a science fair model or a 122cm tall complex machine called the big ball factory (3083 pieces)
2 battery operated motors included (4x AA batteries per motor required)
5 teacher's guides included
57 extensive lesson plans
Supplied with an educator guide with 57 lesson plans that is aligned to NSES and ITEA standards
Packaged in a strong storage tub
Dimensions of container 23.3(L) x 50.8(W) x 38.7(H)cm