Tim recently received a box of toys and gadgets from an inventor in Iowa USA called Chuck Hilliard.

Trivial Pursuit cards are fitted together in different ways to make spinners. And then rolls of paper tickets converts into three dimensional shapes.

3D printing has been used to make some intriguing shapes.

Then a gadget to entertain cats, using string and elastic bands!

Next Bismuth - Tim shows some amazing crystals of this element.

Finally, an interesting gadget that can retain water, even when you hold it upside down - a lovely example of surface tension.