Magnetic Marbles, Set Of 100 cm-designs Use with 100% natural fiber

Use with 100% natural fiber fabrics like cotton

this is a great kit to have around

"Go To Bed without Complaining"

This strip of hook and loop tape is a sleek

Magnetic Marbles, Set Of 100 cm-designs Use with 100% natural fiberThis set of 100 plastic cased marbles look like colorful plastic balls, but each one contains a magnet so they stick together, hang together and pull towards and away from each other as a first introduction to the magical world of magnetism they are great fun. Conduct investigations to compare the effects of different strengths or different directions of pushes and pulls on the motion of an object. Packaged in a convenient plastic jar.