Mine is missing one of the pen arm mounts, is there a way of getting replacement parts?

No. Unfortunately, spare parts are not provided or available.

what if it doesn't work the first time you assemble it?

Right. We have taken this apart and put it together many times -- there is no problem to troubleshoot. Start working backwards. Is the battery in right side up? Start undoing the robot in reverse -- make sure the connections are good. I hope that helps. I am not the person who assembles the robot -- it's my sure-handed son.

How much of the robot do they actually assemble?

There is quite a bit of assembly to do, but nothing difficult for an adult. I have taught robotics camp using this as a project and found that some of the 2nd & 3rd-grade kids need lots of help while others did nearly all of the assembly on there own. In conclusion, most kids younger than 4th grade will need at least a little help, but older kids and adults should make quick work of it.

Approximately how long does it take a 9 year old child to complete this robot?

Two of my students ages 9 and 10 each built one of these during recess time. One finished after 4 recesses (20 minutes each) and the other took 5 recesses and needed a little help. It depends on the child.

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4M: Doodling Robot, Build a Robot That's an Artist, Ideal for Young Science Enthusiasts, Challenge Your Child's Imagination, Requires 1 AA Battery (Not Included), For Ages 8 and up

Product ID: 1043783

🔋Requires 1 AA battery

⚙️Vibration-powered motor

🖊️Adjustable pen angles

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🤖✨ Where STEM meets art—build, shake, and create your masterpiece!

COMPACT PORTABLE - 6-inch cube size fits perfectly on any desk or shelf.
CUSTOMIZABLE ARTISTRY - Adjust pen height and angle to create endless designs.
STEM LEARNING MADE FUN - Hands-on assembly sparks curiosity in science and engineering.
UNLEASH CREATIVE ROBOTICS - Build a robot that doodles unique art with every shake.
PERFECT GIFT FOR YOUNG INNOVATORS - Ideal for kids 8+ to challenge imagination and skills.

The 4M Doodling Robot is a DIY STEM kit designed for kids 8 and up that assembles into a vibration-powered robot artist. It uses adjustable colored pens to create unique doodle art without manual guidance. Compact and easy to build, it requires one AA battery (not included) and encourages creativity and engineering skills in young science enthusiasts.

Specifications

ASIN	B002EWWW9O
Age Range Description	8 and above
Battery Description	AA
Best Sellers Rank	#44,783 in Toys & Games ( See Top 100 in Toys & Games ) #2,150 in Educational Science Kits
Brand Name	Toysmith
Customer Reviews	4.2 4.2 out of 5 stars (1,040)
Educational Objective	STEM
Global Trade Identification Number	00085761099890
Included Components	all parts needed to make the doodling robot, instructions
Is Assembly Required	Yes
Item Dimensions	6 x 6 x 6 inches
Item Type Name	4M KidzRobotix Doodling Robot - DIY Science Engineering Robotics Kit - STEM Toys
Item Weight	0.35 Pounds
Manufacturer	Toysmith
Manufacturer Maximum Age (MONTHS)	1440.0
Manufacturer Minimum Age (MONTHS)	96.0
Manufacturer Part Number	4575
Manufacturer Warranty Description	1 year replacement
Material Type	all necessary components and easy assembly guidance
Model Number	4M-03280
Set Name	4M Doodling Robot
Size	1 Count (Pack of 1)
Theme	Doodling Robot
UPC	885289098234 085761099890 885373088066 885582842664 723412800746 095617890830 885642940811 765635851808 885798379626 983412800744 077347331258 074994329744 794628097565 787799191101 789264258449 885873292338 680807658835
Unit Count	1.0 Count

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