Enjoy our great range of optical illusion tops. Enjoy our great range of optical illusion tops for k..
Build your own Pentograph. Pentograph is an instrument for copying a plan or drawing on a different ..
Pinhole cameras with a lens to model the human eye. In this activity, students make a pinhole camera..
A pyramid puzzle is a mechanical puzzle (assembly puzzle) consisting of two or m..
A rattleback, also called a celt or wobblestone, is an interesting little piece of material with a r..
An hour glass, also known as a sand glass or a sand clock, keeps time. When the hour glass was inven..
Writing Secret Notes using ChemicalsAge Group : 8 Years to 11 YearsBattery Included : NOCo..
Do - it - yourself kit to build a simple DC electric motor.Age Group : 8 Years to 11 YearsBatte..
Galvanoscope is an instrument for detecting the existence of an electric current and determining its..
Do -it - yourself kit to find out how much rain falls where you live by making your own rain measure..
Do - it - yourself kit to construct Street Light powered by Solar EnergyAge Group : 8 Years to ..
Explore the universe with astronomyAge Group : 8 Years to 11 YearsBattery Included : NOCon..
Do - It - Yourself Kit to Build your own Water Pump. A solar-powered pump is a pump running on elect..
A solenoid is defined as a coil of wire commonly in the form of a long
cylinder that when carrying..
To demonstrate the constant striving of the magnets to stay in perfect balance with each other. Not ..