Product Description
You had better ring the bell before coming into my room, or maybe even my den?
This fabulous DIY kit from Koa Koa will allow you to build your very own doorbell for the door to your room, engaging in STEAM learning (Science, Technology, Engineering, Arts & Mathematics)
Not only will they have a fun building it but they'll love playing with it afterwards.
How it works ?
Start by detaching the gears of wooden planks, then identify all the small parts and hardware. Once mounted, you can paint it to customize it and nail it at the door of your room (there are 4 holes on the sides for that purpose).
What will you learn?
- The different types of gears: gear trains, rack, pinion, circular, etc.
- the ratios to calculate the speed at which the gears are turning
- the effect of friction, the crank
Delivery Costs
Our shipping rates UK mainland, Highlands & Islands:
Under £20 tracked Royal Mail 48hr* No Binky bag - £5.95
Under £40 tracked Royal Mail 48hr* No Binky bag. - £4.95
Under £75 24 hour Royal Mail Tracked* - £8.20
£40 or over free shipping 48hr tracked Royal Mail* - Free
£75 or over free shipping 24hr tracked Royal Mail* - Free
Europe:
Under 2 Kg - £18
Over 2 Kg - £25
Refunds & Exchanges
We have a 45-day return policy, which means you have 45 days after receiving your item to request a return. Note over the Christmas period this policy is extended until the 5th January, for orders purchased from the 1st November.
Please get in touch if you have questions or concerns within the 45 days returns window about your specific gifting timelines, in special circumstances we may be able to assist.
To be eligible for a return, your item must be in the same condition that you received it, unused, with tags, and in its original packaging. You will also need the receipt or proof of purchase.
