1. Add the sugar, water, and lemon juice to a small saucepan and bring to a boil. Let boil for several minutes until the sugar has dissolved completely, and the mixture has thickened a bit. Take off the heat and let cool down completely.

2. Wash the raspberries and let them drain. Purée and then press through a sieve to get rid of the seeds. Mix the puréed raspberries with the sugar syrup and sparkling wine until well combined, and fill into the popsicle shapes. Place in the freezer for about 1 1/2 hours, then stick in the wooden sticks and let freeze completely for at least 6 hours or overnight.