• Build your own space circuit
• Demonstrates the physics of BLACK HOLE
• Get ready for never-ending cycle
• Requires 1 x "AA" batteries, not included
Product size: 19.5 x 18 x 19cm
• Demonstrates the physics of BLACK HOLE
• Get ready for never-ending cycle
• Requires 1 x "AA" batteries, not included
Product size: 19.5 x 18 x 19cm
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