A 21st keepsake the guests actually take part in: a white number 21 block lit by neon-effect LED tubing, with 'Happy Birthday' in script across the base and a marker pen so everyone can leave a message. It stays on the shelf long after the party.

• Sold as: 1 signature block, boxed, with pen and cable
• Power: USB powered. The pack contains a USB cable with an inline on/off switch
• Finish: white block with a moulded neon-effect LED tube following the numerals, and 'Happy Birthday' printed in black script on the base
• Includes: number 21 signature block, black marker pen, USB cable with on/off switch
• Not included: USB power adaptor or power bank. The cable plugs into any standard USB port

Perfect for: 21st birthday parties, guest book tables and keepsake gifts.