Click to expand Tap to zoom Minnie Mouse 1st Birthday Supershape Balloons by mypartymonsterstore Save £-2.04 £7.49 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Babies 1st Birthday Helium Foil Shaped Balloons. 19 Inch x 28 Inch Minnie Mouse Number 1 Supershape Party Balloons Are Sold Uninflated And Require Helium Inflation.