Are there detailed instructions for this ?

Ours had no directions - when I bought it, my kiddo was studying circuits in school so she knew what to do from class.

What size bulbs are these? I need to order some replacements.

Friend, the length of the bulb is about 2.5cm, and the radius is about 1cm.

What does the buzzer sound like? Is it loud or quiet?

Friend, our buzzer sound is the sound of normal motor rotation, the sound will not be very loud.

What is the bulb holder base size? C9? E12? E10?

Friend, the bulb holder base size is E10.

Sntieecr Stem Electric Circuit Motor Kit Science Experiment Educational Kit

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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€ 31.91

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Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Spark curiosity, build brilliance, and lead the future with every circuit!

SAFE SUPERVISED PLAY - Voltage capped at 3V with clear safety guidelines to ensure worry-free learning for kids 8+.
COMPLETE STEM CIRCUIT KIT - All-in-one kit with motors, bulbs, switches & propellers to ignite your engineering creativity.
ENGAGING FAMILY INTERACTION - A fun, educational bonding experience that transforms screen time into quality STEM time.
PERFECT FOR SCHOOL PROJECTS - Ideal for classroom STEM, technology, and design courses—boost your kid’s science grades and confidence.
MONTESSORI APPROVED LEARNING - Designed to inspire curious minds with hands-on science experiments that turn ideas into reality.

The Sntieecr STEM Electric Circuit Motor Kit is a compact, all-inclusive educational set featuring 2 motors, 5 bulbs, switches, propellers, and more. Perfectly tailored for kids 8 and up, it supports hands-on learning in science and engineering through safe, low-voltage experiments. Highly rated and Montessori-friendly, this kit is a top choice for school projects and inspiring the next generation of innovators.

Specifications

ASIN	B086WCB5NK
Age Range Description	Kid
Best Sellers Rank	#8,985 in Toys & Games ( See Top 100 in Toys & Games ) #82 in Educational Science Kits
Brand Name	Sntieecr
Customer Reviews	4.2 4.2 out of 5 stars (1,065)
Educational Objective	STEM
Item Dimensions	4.72 x 3.93 x 1.18 inches
Item Highlight	Montessori Learning Kits Set for Kids DIY STEM Engineering Project,Christmas Gift for Kids, Back to School Gifts for Student
Manufacturer	Sntieecr
Manufacturer Part Number	ST-0241
Manufacturer recommended age	8 years and up
Material Type	Metal, Plastic
Model Number	ST-0241
Number of Packs	1
Set Name	Electric Circuit Motor Kit
Size	Small
Theme	Physics
UPC	880034251438

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