39cm Gravity Sand Pendulum Sand Tray Tabletop Ornament Newton Pendulum Physics Department Stress Reliever(Black)
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On Order: Refers to Products that aren't in stock and will be included in the next scheduled import if you proceed to your order. Shipping time of your order 7-15 working days. This time does not include the shipping time of the shipping method you have selected.
(Imports are being done every 7-15 business days).
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If your order is over two Kilograms (kg) then for every extra Kilogram there is a charge 1,00
Description
1. Material: plastic + metal
2. Surface process: electroplating
3. Selected plastic + electroplated iron + natural sand material, sturdy and durable
4. Different starting angles provide different patterns to witness the beauty of gravity and power, which can be used as an educational tool for viewers to experience math and physics
5. Simple and generous design, practical and beautiful, suitable for office, study, living room and bedroom, is a good desktop decorations
6. Gravity sand pendulum is ideal for birthday/housewarming gift, stress relief gift, unique children toys
7. The small sand pendulum, sketched lines, can invariably make your mind calm down and empty yourself
8. Weight: about 600 g
9. Size: about 39 x 16 x 14 cm
Instructions for use:
1. Assemble the sand pendulum according to the instructions, pour the natural sand into the tray
2. Put the sleeve into the pendulum and swing the pendulum to smooth out the sand to form an even and slightly concave curved surface
3. Adjust the screw on top of the pendulum to lower the pendulum
4. Swing the pendulum, different angles will draw different Risa curves
