diff --git a/golem_member/models/golem_member_age_range.py b/golem_member/models/golem_member_age_range.py
new file mode 100644
index 0000000..39ebcab
--- /dev/null
+++ b/golem_member/models/golem_member_age_range.py
@@ -0,0 +1,61 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2019 Fabien Bourgeois <fabien@yaltik.com>
+#    Copyright 2019 Youssef El Ouahby <youssef@yaltik.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+""" GOLEM Member Age Range Management """
+
+from odoo import models, fields, api, _
+from odoo.exceptions import ValidationError
+
+
+class GolemMemberAgeRange(models.Model):
+    """ GOLEM Member Age Range Management """
+    _name = 'golem.member.age.range'
+    _description = 'GOLEM Member Age Range Management'
+    _order = 'lower_bound asc'
+    _sql_constraints = [(
+        'golem_age_range_rule_name_uniq', 'UNIQUE (name)',
+        _('This name has already been used. It must be unique.')
+    )]
+
+    name = fields.Char(compute='_compute_name', store=True)
+    lower_bound = fields.Integer(required=True, index=True)
+    higher_bound = fields.Integer(required=True, index=True)
+
+    @api.constrains('lower_bound', 'higher_bound')
+    def check_bounds(self):
+        """ Check member age bounds coherence and conflits """
+        for rng in self:
+            if rng.lower_bound > rng.higher_bound:
+                verr = _(u'The higher bound age must be higher than '
+                         'the lower bound.')
+                raise ValidationError(verr)
+            rngs = self.env['golem.member.age.range'].search([])
+            for each_rng in rngs:
+                if each_rng.lower_bound < rng.lower_bound < each_rng.higher_bound:
+                    verr = _(u'Lower bound age in range of an '
+                             'existing age range.')
+                    raise ValidationError(verr)
+                if each_rng.lower_bound < rng.higher_bound < each_rng.higher_bound:
+                    verr = _(u'Higher bound age in range of an '
+                             'existing age range.')
+                    raise ValidationError(verr)
+    @api.depends('lower_bound', 'higher_bound')
+    def _compute_name(self):
+        """ Computes age range name """
+        for rec in self:
+            rec.name = u'{}-{} years'.format(rec.lower_bound, rec.higher_bound)