-5cm Focal Length Concave Lens Optical Glass Physics Science Experiment Toys

2pcs diy fan motor science model toy physics electrical experiment educational kit assemble puzzles for kids children

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Diy water wheel car model physics experiment kit educational science toys for kids

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Realistic volcano red light experiment model physics science toy gift

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Diy wooden mechanical arm robotic manipulators model building puzzle kits science physics children kids toy

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Animal and plant specimen observation tool magnifying glass science experiment toy outdoor exploration science teaching aid kit

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Diy assembled periscope toys kids student science experiment equipment science nature toys

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Diy automatic hand assembled science experiment toys

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Creative diy science hand crank generator apparatus kids children mounted assembled kits teaching physics experiment

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-29%

Magideal 1set diy magic spring woodpecker model physics science educational gadget kids toy diy scientific experiments toy gift

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-20%

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Physics science toys - perpetual motion desk toy home office decoration

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Magideal plastic concave eyes & eyes chips pattern for 12inch blythe doll diy making

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-4%

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-1%

20mm dia k9 optical glass -1935mm super long focal length plano concave lens minifier lenses

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-3%

Plano concave lens diameter 12.7mm focal length -1935mm h-k9l glass lens optical glass optical lens

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-12%

170 pieces plastic soldier 5cm army figures playset for army sand scene model landscape children kids toys gift home decor

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-22%

Diy rotating kaleidoscope kits science experiment educational craft kid toy

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Wooden diy science electromagnetic swing toy experiment kits for children

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Air balloon powered wooden speed boat science toy gadget kid children educational physics learning

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Air balloon powered wooden speed boat science toy gadget kid children educational physics learning

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-6%

139 pieces men soldier 5cm action figures playset,great educational toy,

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1set kids science experiment kits electric electrostatic snow model diy assembly children educational scientific toy

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1set plastic magic kissing spring woodpecker model physics mechanics science scientific diy experiments toy for children

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-24%

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1pcs magic balancing bird science desk eagle with triangle stand toy physics barycenter exploring kid educational gifts

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-5%

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5pcs concave lens diameter 42mm focal length -40mm optical test double concave lens three prism

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10x8mm steel chuck collet for electric overhead stirrer mixer stirring rod shaft chuck biochemical science experiment laboratory

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