Grin Studios - Brain Teasers Mystery Box, 1 Each, $4.99Each box includes 1 squishy toy, 1 sensory toy and 8 trendy fun surprises.Grin StudiosAdd Grin Studios - Brain Teasers Mystery Box to Favorites.Add Grin Studios - Brain Teasers Mystery Box to Favorites.Free with 2500 Points RedeemedGrin Studios - Brain Teasers Mystery Box, 1 EachOpen product description$4.99 was $9.99Add to Cart