This Lava bead diffuser is perfect for kids to wear and kids to make, you can see the full DIY tutorial here. Lavender is one of my go to oils for children and I have included the benefits below.
Lavender Essential Oil – Headaches, stress, insomnia, minor burns, skin rashes, lowers blood pressure. Calmative. Basil Essential Oil- Antibacterial , headaches, mental alertness, fatigue, stress, Period pains (Blends well with lemon and fennel).
You can purchase Lava beads here.