Grow your colourful crystal in the container provided.
It’s a fun sparkling chemistry experiment.
Contains: 1 large bag with crystal base compound, 1 small bag colour seeding mixture, 1 clear container with cover, 1 spoon and detailed instructions. Comes in 3 colours: red, blue and clear. Ages 10+
We dispatch orders every working day (ie Mon-Fri, not including Bank Holidays) for all delivery options.
Next Working Day Delivery
Order by 2pm Mon-Fri: £7.50
Within 3-5 working days: £3.95
Click & Collect
Free, from Cass Art stores. Available to collect within 2 working days.
Select our Saturday delivery option any day of the week (by 2pm on Friday) to have your order delivered on the following Saturday: £9.00