diy technology small production wooden track race marble roller coaster primary and secondary school students science hand-assembled educational toys

2 piece

Specifications

tunnel electric type + battery	CN¥ 17.4
tunnel electric model + battery + pigment + led light	CN¥ 19.8
tunnel manual	CN¥ 15.0
tunnel manual type + pigment + led light	CN¥ 17.4

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material: wooden

brand: blue jird

applicable age: teenager (7-14 years old)

packing method: -1

item no.: paradox track race marble

ability training: hands-on brain

is there an animation image: no

patents and copyrights: appearance design

patent number or copyright registration certificate number: zl 2022 3 0652483.9

patent and copyright application time: september 30, 2022

whether there is shopping guide video: yes

scientific and educational toy type: biology/chemistry

whether it is exclusively for foreign trade: no

3c configuration category: wooden toys under 14 years old

Update time：20260516101919