Vortex Gravity Coin Bank

$21.50

(1 customer review)

Interplay of potential energy of gravity and conservation of angular momentum- a simulation of a decaying orbit. Fun with every coin saved!

Description

Interplay of potential energy of gravity and conservation of angular momentum- a simulation of a decaying orbit. Fun with every coin saved!

Additional information

Material

Plastic

Shipping

We process orders on weekdays (except holidays). Orders will be acknowledged within 2 working days of receipt and shipped within 3 working days of receipt.

 

Our average shipping times:

8-15 Business Days to the USA after fulfillment
10-20 Business Days to countries outside the USA after fulfillment

5 /5
Based on 1 rating

Reviewed by 1 user

    • 1 year ago (Edit)

    The item came in a smashed box, and product have a big crack …. My son was very sad to receive it

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