marbles
A vertical STEM construction set that reimagines traditional marble runs by allowing tracks to stick directly to smooth vertical surfaces without bulky floor stands.
Key Features:
Vertical Attachment: Uses residue-free nano-adhesive pads (suction technology) to attach to doors, windows, tiles, or cabinets.
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Shipping:
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Payment:
- Cash
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Entered/Renewed:
3 hours ago
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