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Science Museum Giant Springy

£9.99

Blast down the stairs, jumps from your hands, springs from table tops and much more.

This is a precompressed helical spring, that can perform a number of tricks, most famously travelling down a flight of steps end-over-end as it stretches and re-form itself with the aid of gravity and its own momentum. It can also appear to levitate for a period of time after it has been dropped, and make spooky sound effects!