STEM DIY Building Blocks 3in1 (big pendulum 72PCS) 72boxes/CASE
$78.00
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STEM DIY Building Blocks 3in1 (big pendulum 72PCS) 72boxes/CASE
$78.00
STEM DIY Building Blocks 3in1 (big pendulum 72PCS) 72boxes/CASE .
Minimum order quantity in one case. The postage is 7 USD/KG, Box size：15x18x6
Discover endless mechanical magic with this 3-in-1 STEAM building toy! Kids engineer a powerful crane with pulley lift, balanced seesaw lever, and towering gear-driven structure using bright interlocking bricks. Build hand-eye coordination, understand levers & forces, spark creativity. Ages 6+ – physics fun awaits!