We filled silicone cupcake moulds with plaster and pushed a different seed into each one. Once the plaster was dry and the seeds had soaked up enough water, the sprouts were strong enough to crack the plaster. Incredible! Hannah won.
We filled silicone cupcake moulds with plaster and pushed a different seed into each one. Once the plaster was dry and the seeds had soaked up enough water, the sprouts were strong enough to crack the plaster. Incredible! Hannah won.
