Glowing stone storage Exercise observation ability/reaction ability/judgment ability

Exercise observation ability/reaction ability/judgment ability and thinking skills

Size: 70x75cm

Design for Ring

30 cm infrared sensor

Glowing stone storage Exercise observation ability/reaction ability/judgment abilityGlow In The Dark Rocks These stones can't glow by themself. After absorbing all kinds of visible light for 10 20 minutes during the day, it will continue to glow in the dark at night for more than 12 hours. Please radiate them with light again if they are not bright enough. spesifikasjon Quantity: 50pcs Size: 2 3cm 0. 78 1. 18inch Color: mixwhite green yellow rose red blue Material: Photoluminescent pigment + resin Usage: Lighting the pathway,