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Description
Build a Perpetual Motion Machine powered by an invisible magnetic field! Ever wonder why scientists, engineers, and mathematicians have never been able to create such a machine without an external energy source like batteries? Explore different kinds of motion machines and understand why they didn’t work. Learn about magnets and the First and Second Laws of Thermodynamics. • Understand how batteries create the magnetic force to keep the machine operating. • Learn the First and Second Laws of Thermodynamics. • Requires 4 (1.5V) AA batteries (not included) • Ages 8+
Details
SKU: 7402 Made in China Weight: 376.48 g (13.28 oz) Dimensions: 29.8 x 5.1 x 26.7 cm (11.8 x 2 x 10.5 in)
Ratings and reviews
Relevance
Top Shop celebrates exceptional brands who have earned a 4.8+ rating over the last 12 months, fulfill orders quickly and smoothly, and maintain a fresh catalog.
4.8
Brand rating ()
5
5
2,184
2,184
4
4
100
100
3
3
38
38
2
2
18
18
1
1
34
34
4.9
Quality of products
5.0
Fulfillment
4.9
Communication
Smithsonian Perpetual Motion Machine
Great products and fast shipping
Great products and fast shipping
Jan 14, 2025 • Valerie • Gustavus, AK, United States
Reviews for similar products from Toysmith: Classic Toy
These toys are a hit! Most are doing well, especially the epic toys!
These toys are a hit! Most are doing well, especially the epic toys!
Jun 6, 2025 • Sarah • Richmond, KY, United States
Mattel Games MAGIC 8 BALL
No longer active
Fantastic!!
Fantastic!!
May 20, 2025 • Shannon • Gillette, WY, United States
Love these.
Love these.
May 20, 2025 • Alexis • Houston, TX, United States
Fun toys, easy ordering, fast shipping!
Fun toys, easy ordering, fast shipping!
May 14, 2025 • Kristen • Slade, KY, United States
