Comparison and measurement of weight and volume, solid or liquid. Built-in weight storage compartments with plastic and metal weights. Contents: Each set includes one balance with a centre adjustme...

174 PCS / SET AGE: 7 & UP THESE SPECIALIZED KITS HAVE MADE IT POSSIBILE TO INVESTIGATE HOW HYDRAULICS AND PNEUMATICS CAN BE USED IN CONJUNCTION WITH ASSEMBLIES SUCH AS WATER MILLS...

Build 7 different models with motor and learn how gear works. Build a mechanical clock, mechanical lift, a car gear box and wiper etc. Content: 195 parts including a motor and a 24 page full co...

Build your hovercraft vehicle and explore the power of air with this great scientific kit. 59 Piece Kit You can make 10 different models. Age rating 8+ years...

What Can Children Learn? ● In addition to the detailed instructions in the assembly steps, there are also the principles and applications, so that children can learn the basics of wind power thro...