Six Arch Rainbow with Osmo Kit UPDATE

UPDATE: 18th May 2020

If you bought a six-arch wooden rainbow making kit with Osmo before 18th May 2020 you will have only recieved three colours in your kit - red, yellow and blue. We have now upgraded the Osmo kit to include White to give you more versatility with your colour mixing.

If you bought your rainbow kit before 18th May, please check out this video for full information.

If you would like to upgrade your colour kit to include White Osmo for £1.50, please drop an email to with your order number and we will arrange this for you ASAP.

Many thanks,