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3D two-disc basketball viewing machine

3D carousel box insect viewing machine

3D ribbon box ocean viewing machine

3D tape transfer box plant viewing machine

3D two-disc animal viewing machine

DIY wooden hand-assembled electric steamship primary school physics science experiment teaching aids

3D viewer cross-border science and education 3D projector turntable retro film toys

3D two-disc ocean viewing machine

3D two-disc insect viewing machine

3D two-plate plant viewing machine

Animal viewing machine

3D two-disc cartoon animal viewing machine

3D two-disc cartoon animal viewing machine

submarine viewing machine

3D two-disc cartoon animal viewing machine

3D two-disc cartoon animal viewing machine

Mermaid viewing machine

3D two-disc cartoon animal viewing machine

3D two-disc cartoon animal viewing machine

Dinosaur viewing machine

3D two-disc cartoon animal viewing machine

DIY wooden hand-assembled electric one-wing taxiing aircraft primary school physics science experiment science and education aids

DIY wooden hand-assembled Electric Racing Primary School Physics Science experiment Teaching aids

Animal circular viewing machine

DIY wooden hand-assembled Perpetual Calendar Primary School Science and Physics experiment Teaching aids

DIY wooden hand-assembled electric merry-go-round primary school science and physics experiment teaching aids

submarine circular viewing machine

DIY wooden hand-assembled Newton Pendulum Primary School Science and Physics Experimental Science and Education aids

DIY wooden hand-assembled balanced Bird Primary School Science experiment Science and Education aids

Mermaid Round View Machine

Dinosaur Round View Machine

DIY wooden hand-assembled electric double-wing and double-fan taxiing aircraft science and education aids for primary school physics experiments