• Demonstration of the minimum energy principle.
• Utilizes a mixture of water, soap and a small amount of glycerin. 
• Convincingly proves that a surface constitutes as a form of energy. 
•  With every submersion of a various shape, the soapy membranes form an identical spatial configuration between the shape’s sides, with the intent of reaching lowest possible surface energy.
• Five different wire shapes included.
• A stainless steel bucket is included.
•  A bottle with liquid solution is included.

Made from special durable Poletylan material- 3 layers- yellow, black, yellow

Dimensions:
Width 22 cm
Length 49 cm
Height 2 cm
Weight 1.85 kg

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• Demonstration of two dimensional elastic collision.
• Controlled release mechanism of advancing marble.
• Adjustable base for static marble.
• Includes string with weight for accurate zero point of falling.
• The angle and the distance of the collision marble can be adjusted.

Made from special durable Poletylan material- 3 layers- yellow, black, yellow
Dimensions:
Width 20 cm
Length 55 cm
Height 17.5 cm
Weight 0.45 kg

•  Demonstration of the conservation of energy.
• Conversion of gravitational potential into rotational kinetic energy, and vice versa.
• the pendulum wheel is easily adjustable for smooth movement
• Made from special durable Poletylan material- 3 layers- yellow, black, yellow

Dimensions:
Width 15 cm
Length 33.5 cm
Height 44.5 cm
Weight 2.15 kg
Wheel diameter 12 cm

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