Homemade DIY Projector Custom Insert the two uprights into

Insert the two uprights into the round holes in the middle of the edge of the base respectively

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Homemade DIY Projector Custom Insert the two uprights intoA very fun science toy, kid can assemble with adult supervision. Perfect light and optics Science project. Learning by Doing: educational toy set which is great for their hand skills and creativity. Great toys for kids gift for birthday, children's day, summer camp activities Environmental Science Experiment: early learning model toy diy model set technology small inventions. It's a great parent child building project and puzzle DIY Assemble Toys: