* This funny toy, when exposed to sunlight, can start it's mini-engine and shaking itself. So no batteries needed. * Powered by sunlight, this product shake itself seemingly forward or backward, spinning around as if looking for food. * Both specially designed and eco-friendly , this product is also an excellent teaching aid to provide students with some basic knowlage about solar energy. * A fun demonstration of solar power.
Product Details (including package): weight:20 g size:13.7*10.4*2 cm
Pack including: 1 × Solar Cockroach
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