Hydraulics Kit, 4 in 1, Contains: Scissor Lift, Platform Lifter, Cherry Picker, Excavator. Most models stand between 18 and 24 cm high when fully extended and can hold things like a glass of milk, toys, false teeth and other fun items
Deluxe Hydraulics Class Pack, Perfect for use in studies of levers and simple machines,design and technology units,engineering and invention units,fluid studies,science fair activities,engineering Design Process units.
Nanotechnology Cutting-Edge Nanomaterial, Dimensions: 19.1x13x3.8in, Some of the biggest scientific breakthroughs in recent years involve things that are actually very small, deals with the smallest structures, in the range of one to 100 nanometers in size