This locking log supports children's fine motor skills as they try the different keys to unlock the 10 different padlocks. Use to support maths and literacy skills by labelling keys and padlocks with numbers, letters and words. Why not challenge children to find number bonds to 10 by matching the key and lock with pairs of numbers that make 10? 20cm dia x H30cm. Dimensions will vary. Comes with 10 padlocks and 10 blank keyrings. WARNING: Not suitable for children under 36 months due to small parts. Choking Hazard. Therefore must be used in supervised settings only. Adult assembly is required. This product must be checked by an adult before the start of each session to ensure there are no damaged or loose components.