It's
the original Hoberman toy and it's now a classic and a favorite of kids and
adults everywhere. This expanding and contracting ball cleverly combines
mathematics and geometry to create a surprising motion that fascinates everyone
who sees it. Simply grab a link at each side of the Sphere, pull outwards and it
grows from 23cm in diameter to a whopping 77cm! Give it a slight push and it
will contract back to its original size. Great for simple machine discussions.
It comes with a pulley, hardware and instructions to hang it as kinetic
mobile.
Age: 4 +
What
you get
·
An
Hoberman Original Sphere (rainbow colour)
·
A
pulley, cord and instructions
·
Activity
Sheet (21 Cool Things To Do)
·
Educational
fact sheet
How
does it work?
Each ring is made up of lots of
small plastic links joined together in pairs which fold and unfold in a
scissor-like motion. This patented method of folding was discovered by Chuck
Hoberman, an inventor with degrees in art and mechanical engineering. This is
not only a fascinating toy, it is wonderful to engage children in learning about
pulley, levers, pivot points etc in science of toys or simple machines unit. It
also comes with a comprehensive educational booklet about the geometry of the
Sphere, and an activity sheet detailing some 21 fun tricks you can do with
it.
Teach
- Simple
machines - levers and pivots
- Science of
toys
- Geometry and
shapes
WARNING: CHOKING HAZARD - Small Parts. Not
for children under 3 years.
